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美制螺栓标准对照表(20篇)

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美制螺栓标准对照表(20篇)美制螺栓标准对照表  美制螺纹标准对照表  美制外螺纹(2A)常用规格极限尺寸表(粗牙)公称尺寸和螺纹系列每英寸牙数8-32(0.164-32)10-24下面是小编为大家整理的美制螺栓标准对照表(20篇),供大家参考。

美制螺栓标准对照表(20篇)

篇一:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)公称尺寸和螺纹系列每英寸牙数8-32(0.164-32)10-24(0.190-24)12-24(0.216-24)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14UNC(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/8-11(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)10.81530.487612.38500.549513.95730.611315.52700.735318.67660.859221.82370.983024.968211.07690.498512.66190.560914.24690.623415.83440.748219.00430.873122.17670.998025.34929.77900.443511.26490.501612.74060.558914.19610.677317.20340.794620.18280.910023.11409.89840.448511.39190.506812.87270.564414.33580.683217.35330.800920.34290.916823.28678.85190.404111.3410.26410.458712.8011.65100.511914.2713.00230.625517.2815.88770.736820.2718.71470.844623.2221.452823.2720.3217.3314.3212.8411.38代号大径极限最小0.15713.99030.18184.61770.20785.27810.24086.11630.30267.68600.36439.25320.4258最大0.16314.14270.18904.80060.21505.46100.24896.32210.31137.90700.37379.49200.4361中径极限小径max最小0.13993.55350.15864.02840.18454.68630.21275.40260.27126.88850.32878.34900.3850最大0.14283.62710.16194.11230.18794.77270.21645.49660.27526.99010.33318.46070.38970.12483.583.16990.13794.073.50270.16394.724.16310.18765.454.76500.24316.946.17470.29708.407.54380.34859.839.878.446.985.484.754.103.61最小最大螺胚直径

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)公称尺寸和每螺纹系列英寸牙数8-36(0.164-36)10-32(0.190-32)12-28(0.216-28)1/4-28(0.250-28)5/16-24(0.3175-24)3/8-24(0.375-24)7/16-20UNF(0.4375-20)1/2-20(0.50-20)9/16-18(0.5625-18)5/8-18(0.625-18)3/4-16(0.750-16)7/8-14(0.875-14)1"-12(1.000-12)10.87370.490612.46120.552414.03100.614915.61850.739118.77310.863121.92270.986825.064711.07950.498712.66700.561114.25190.623615.83940.748519.01190.873422.18440.998225.354310.14730.461911.73230.520513.22070.582814.80310.702917.85370.821620.86860.938223.830310.25400.466211.84150.525013.33500.587514.92250.707917.98070.827021.00580.944123.98019.52250.437411.7811.11000.492913.2712.51970.555414.8514.10720.671817.9117.06370.785820.9319.95930.896023.9022.758423.9520.9717.9514.8913.3111.82代号大径极限最小0.15774.00560.18314.65070.20855.29590.24256.15950.30427.72670.36679.31420.4281最大0.16324.14530.18914.80310.21505.46100.24906.32460.31147.90960.37399.49710.4362中径极限小径max最小0.14243.61700.16584.21130.18864.79040.22255.65150.28067.12720.34308.71220.3995最大0.14523.68810.16884.28750.19184.87170.22585.73530.28437.22120.34688.80870.40370.12913.653.27910.15084.243.83030.17124.824.34850.20525.695.21210.26037.176.61160.32288.758.19910.374910.1910.238.787.205.714.854.273.67最小最大螺胚直径

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)公称尺寸和每螺纹系列英寸牙数8-32(0.164-32)10-24(0.190-24)12-24(0.216-24)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14UNC(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/8-11(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)9.14400.417010.59180.472011.98880.527013.38580.642016.30680.755019.17700.865021.97109.55040.434011.02360.490012.44600.546013.86840.663016.84020.778019.76120.890022.60609.93390.450011.43000.508412.91340.566014.37640.685017.39900.802820.39110.918823.337510.08890.456511.59510.515213.08610.573214.55930.692717.59460.811020.59940.927623.561011.11250.500010.6512.70000.562512.0514.28750.625013.4515.87500.750016.4019.05000.875019.3022.22501.000022.1025.400022.4019.6016.7013.7012.3010.90代号小径极限最小0.13003.30200.14503.68300.17104.34340.19604.97840.25206.40080.30707.79780.3600最大0.13903.53060.15603.96240.18104.59740.20705.25780.26506.73100.32108.15340.3760中径极限大径min最小0.14373.65000.16294.13770.18894.79810.21755.52450.27647.02060.33448.49380.3911最大0.14753.74650.16724.24690.19334.90980.22245.64900.28177.15520.34018.63850.39720.16403.404.16560.19003.754.82600.21604.405.48640.25005.056.35000.31256.457.93750.37507.859.52500.43759.209.408.006.605.204.553.903.50最小最大底孔直径

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)公称尺寸和每螺纹系列英寸牙数8-36(0.164-36)10-32(0.190-32)12-28(0.216-28)1/4-28(0.250-28)5/16-24(0.3175-24)3/8-24(0.375-24)7/16-20UNF(0.4375-20)1/2-20(0.50-20)9/16-18(0.5625-18)5/8-18(0.625-18)3/4-16(0.750-16)7/8-14(0.875-14)1"-12(1.000-12)9.72820.446011.32840.502012.75080.565014.35100.682017.32280.798020.26920.910023.114010.03300.457011.60780.515013.08100.578014.68120.696017.67840.814020.67560.928023.571210.28700.467511.87450.526413.37060.588914.95810.709418.01880.828621.04640.945924.025910.42420.473112.01670.532313.52040.594915.11050.715918.18390.835621.22420.953524.218911.11250.500011.4012.70000.562512.8514.28750.625014.4515.87500.750017.4019.05000.875020.3522.22501.000023.9025.400023.9520.9717.9514.8913.3111.82代号小径极限最小0.13403.40360.15603.96240.17704.49580.21105.35940.26706.78180.33008.38200.3830最大0.14203.60680.16404.16560.18604.72440.22005.58800.27707.03580.34008.63600.3950中径极限大径min最小0.14603.70840.16974.31040.19284.89710.22685.76070.28547.24920.34798.83670.4050最大0.14963.79980.17364.40940.19705.00380.23115.86990.29027.37110.35288.96110.41040.16403.454.16560.19004.004.82600.21604.555.48640.25005.406.35000.31256.857.93750.37508.459.52500.43759.8510.238.787.205.714.854.273.67最小最大底孔直径

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或0.190-32UNF-2B)、3/8-24UNF-2B(或0.375-24UNF-2B)

篇二:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和螺纹系列

  大径极限

  中径极限

  每英寸牙数代号最小

  最大

  最小

  最大

  8-32(0.164-32)

  10-24(0.190-24)

  12-24(0.216-24)

  1/4-20(0.250-20)

  5/16-18(0.3175-18)

  3/8-16(0.375-16)

  7/16-14(0.4375-14)

  1/2-13(0.50-13)

  9/16-12(0.5625-12)

  5/8-11(0.625-11)

  3/4-10(0.750-10)

  7/8-9(0.875-9)

  1"-8(1.000-8)

  UNC

  0.157

  0.163

  0.1390.1428

  1]3.99014.14293.553

  3.6271

  30].18170.18950.158

  0.1619

  8]4.61704.80064.028:4.1123

  70].20760.21540.184

  0.1879

  8]5.27805.46154.686

  4.7727

  10'.24000.24830.212

  0.2164

  8]6.11696.32275.402P5.4966

  30].30210.31160.271

  0.2752

  67|.68637.90726.888

  6.9901

  0]0.36400.37350.328

  0.3331

  39.25379.49278.349—8.4607

  20|.42500.43600.385810|.815111.07609.779

  0.38979.8984

  30'.48790.49800.443:0.4485

  61]2.385512.661511.264—11.3919

  0]0.54990.56090.5015131.957914.246612.740

  0.506812.872

  301.61190.62360.5587:0.5644

  315].527415.834914.196

  0)0.73540.74810.677

  318'.676219.004317.203

  14.3358

  0.683217.353

  601.85930.87340.79430.80092211.823122.176620.18220.342

  7]0.98370.99880.91090.91680241.968025.349023.11423.286

  2

  2

  0

  7

  小径max

  0.12483.16990.13793.50270.16394.16310.18764.76500.24316.1747

  0.29707.5438

  0.34858.85190.404110.2641

  0.458711.6510

  0.511913.0023

  0.625515.8877

  0.736818.7147

  0.844621.4528

  |

  螺胚直径

  最小

  最大

  3.58

  3.61

  4.07

  4.10

  4.72

  4.75

  5.45

  5.48

  6.94

  6.98

  8.40

  8.44

  9.83

  9.87

  11.3411.38

  12.8012.84

  14.2714.32

  17.2817.33

  20.2720.32

  23.2223.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证2.标记示例:10-24UNC-2A或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  公称尺寸和每英寸牙数

  8-36(0.164-36)

  10-32(0.190-32)

  12-28(0.216-28)

  1/4-28(0.250-28)

  5/16-24(0.3175-24)

  3/8-24(0.375-24)

  7/16-20(0.4375-20)

  1/2-20(0.50-20)

  9/16-18(0.5625-18)

  5/8-18(0.625-18)

  3/4-16(0.750-16)

  7/8-14(0.875-14)

  1"-12

  (1.000-12)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  螺纹系列代

  大径极限

  号

  最小

  最大

  中径极限

  最小

  最大

  UNF

  0.157

  0.163

  0.142

  0.145

  74.00524.14543.61723.6881

  60.18330.18900.165

  0.168

  14.65014.80384.21184.287

  70.20810.21530.18850.191

  55.29505.46164.79084.871

  90.2420:0.249040.22270.225

  56.159

  6.32455.65185.735

  50.30460.31150.28030.284

  27.72647.90967.12737.221

  70.3666P0.373920.34320.346

  79.314

  9.49708.71288.808

  20.42810.43620.39970.403

  110.873211.079510.147710.254

  70.49050.49830.46100.466

  612.461712.667911.732211.841

  20.55200.56130.52050.525

  414.031114.251513.220013.335

  00.6149P0.623670.58200.587915.61815.839814.803514.922

  50.73940.74810.70250.707

  118.773519.011917.853917.980

  10.8639P0.873470.82170.827

篇三:美制螺栓标准对照表

  美制螺纹标准对照表

  -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙

  数

  螺纹系列代号

  大径极限

  最小

  最大

  中径极限

  最小

  最大

  8-32

  小径max

  螺胚直径最小最大

  10-24

  12-24

  1/4-20

  5/16-18

  3/8-16

  7/16-141/2-13

  UNC

  9/16-12

  5/8-11

  3/4-10

  7/8-9

  1"-8

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或、3/8-16UNC-2A(或(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  大径极限

  中径极限

  每英寸牙数列代号最小

  最大

  最小

  最大

  8-36

  UNF

  小径max

  螺胚直径最小最大

  10-3212-281/4-285/16-243/8-247/16-201/2-209/16-185/8-183/4-167/8-141"-12

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或、3/8-24UNF-2A(或

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每螺纹系列

  小径极限

  中径极限

  英寸牙数

  代号

  最小

  最大

  最小

  最大

  8-32

  10-2412-24

  UNC

  大径min

  底孔直径

  最小

  最大

  1/4-205/16-183/8-167/16-141/2-139/16-125/8-113/4-10

  7/8-91"-8

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或、3/8-16UNC-2B(或

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  小径极限

  中径极限

  每英寸牙数列代号最小

  最大

  最小

  最大

  8-36

  大径min

  底孔直径最小最大

  10-32

  12-28UNF

  1/4-28

  5/16-24

  3/8-24

  7/16-201/2-209/16-185/8-183/4-167/8-141"-12

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或、3/8-24UNF-2B(或

篇四:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英螺纹系列大径极限

  寸牙数

  代号

  最小最大

  中径极限最小最大

  小径max

  螺胚直径最小最大

  8-32(0.164-32)

  0.15710.16310.13990.14280.12483.583.61

  3.99034.14273.55353.62713.1699

  10-24(0.190-24)

  0.18180.18900.15860.16190.13794.074.10

  4.61774.80064.02844.11233.5027

  12-24(0.216-24)

  0.20780.21500.18450.18790.16394.724.75

  5.27815.46104.68634.77274.1631

  1/4-20(0.250-20)

  0.24080.24890.21270.21640.18765.455.48

  6.11636.32215.40265.49664.7650

  5/16-18(0.3175-18)

  0.30260.31130.27120.27520.24316.946.98

  7.68607.90706.88856.99016.1747

  3/8-16

  UNC

  0.36430.37370.32870.33310.2970

  8.408.44

  (0.375-16)

  9.25329.49208.34908.46077.5438

  7/16-14(0.4375-14)

  0.42580.43610.38500.38970.34859.839.87

  10.815311.07699.77909.89848.8519

  1/2-13(0.50-13)

  0.48760.49850.44350.44850.404111.3411.38

  12.385012.661911.264911.391910.2641

  9/16-12(0.5625-12)

  0.54950.56090.50160.50680.458712.8012.84

  13.957314.246912.740612.872711.6510

  5/8-11(0.625-11)

  0.61130.62340.55890.56440.511914.2714.32

  15.527015.834414.196114.335813.0023

  3/4-10

  0.73530.74820.67730.68320.625517.2817.33

  (0.750-10)7/8-9(0.875-9)1"-8(1.000-8)

  18.676619.004317.203417.353315.8877

  0.85920.87310.79460.80090.736820.2720.32

  21.823722.176720.182820.342918.7147

  0.98300.99800.91000.91680.844623.2223.27

  24.968225.349223.114023.286721.4528

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和每英螺纹系列大径极限

  寸牙数

  代号

  最小最大

  中径极限最小最大

  小径max

  螺胚直径最小最大

  8-36(0.164-36)

  0.15770.16320.14240.14520.12913.653.67

  4.00564.14533.61703.68813.2791

  10-32

  0.18310.18910.16580.16880.1508

  4.244.27

  (0.190-32)

  4.65074.80314.21134.28753.8303

  UNF

  12-28

  0.20850.21500.18860.19180.1712

  4.824.85

  (0.216-28)

  5.29595.46104.79044.87174.3485

  1/4-28(0.250-28)

  0.24250.24900.22250.22580.20525.695.71

  6.15956.32465.65155.73535.2121

  5/16-24(0.3175-24)3/8-24(0.375-24)7/16-20(0.4375-20)1/2-20(0.50-20)9/16-18(0.5625-18)5/8-18(0.625-18)3/4-16(0.750-16)7/8-14(0.875-14)1"-12(1.000-12)

  0.30420.31140.28060.28430.26037.177.20

  7.72677.90967.12727.22126.6116

  0.36670.37390.34300.34680.32288.758.78

  9.31429.49718.71228.80878.1991

  0.42810.43620.39950.40370.374910.1910.23

  10.873711.079510.147310.25409.5225

  0.49060.49870.46190.46620.437411.7811.82

  12.461212.667011.732311.841511.1100

  0.55240.56110.52050.52500.492913.2713.31

  14.031014.251913.220713.335012.5197

篇五:美制螺栓标准对照表

  文档来源为:从网络收集整理.word版本可编辑.欢迎下载支持.

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙螺纹系

  大径极限

  数

  列代号最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-32(0.164-32)

  0.15710.16310.13990.14283.99034.14273.55353.6271

  0.12483.1699

  3.58

  3.61

  10-24(0.190-24)

  0.18180.18900.15860.16194.61774.80064.02844.1123

  0.13793.5027

  4.07

  4.10

  12-24(0.216-24)

  0.20780.21500.18450.18795.27815.46104.68634.7727

  0.16394.1631

  4.72

  4.75

  1/4-20(0.250-20)

  0.24080.24890.21270.21646.11636.32215.40265.4966

  0.18764.7650

  5.45

  5.48

  5/16-18(0.3175-18)

  0.30260.31130.27120.27527.68607.90706.88856.9901

  0.24316.1747

  6.94

  6.98

  3/8-16(0.375-16)

  0.36430.37370.32870.33319.25329.49208.34908.4607

  0.29707.5438

  8.40

  8.44

  7/16-14(0.4375-14)

  UNC

  0.425810.8153

  0.436111.0769

  0.38509.7790

  0.38979.8984

  0.34858.8519

  9.83

  9.87

  1/2-13(0.50-13)

  0.48760.49850.44350.448512.385012.661911.264911.3919

  0.404110.2641

  11.34

  11.38

  9/16-12(0.5625-12)

  0.54950.56090.50160.506813.957314.246912.740612.8727

  0.458711.6510

  12.80

  12.84

  5/8-11(0.625-11)

  0.61130.62340.55890.564415.527015.834414.196114.3358

  0.511913.0023

  14.27

  14.32

  3/4-10(0.750-10)

  0.73530.74820.67730.683218.676619.004317.203417.3533

  0.625515.8877

  17.28

  17.33

  7/8-9(0.875-9)

  0.85920.87310.79460.800921.823722.176720.182820.3429

  0.736818.7147

  20.27

  20.32

  1"-8(1.000-8)

  0.98300.99800.91000.916824.968225.349223.114023.2867

  0.844621.4528

  23.22

  23.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。

  2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)

  (注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系大径极限每英寸牙数列代号最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-36(0.164-36)

  0.15770.16320.14240.14524.00564.14533.61703.6881

  0.12913.2791

  3.65

  3.67

  10-32(0.190-32)

  UNF

  0.18314.6507

  0.18914.8031

  0.16584.2113

  0.16884.2875

  0.15083.8303

  4.24

  4.27

  12-28(0.216-28)

  0.20850.21500.18860.19185.29595.46104.79044.8717

  0.17124.3485

  4.82

  4.85

  1

  文档来源为:从网络收集整理.word版本可编辑.欢迎下载支持.

  1/4-28(0.250-28)

  0.24250.24900.22250.22586.15956.32465.65155.7353

  0.20525.2121

  5.69

  5.71

  5/16-24(0.3175-24)

  0.30420.31140.28060.28437.72677.90967.12727.2212

  0.26036.6116

  7.17

  7.20

  3/8-24(0.375-24)

  0.36670.37390.34300.34689.31429.49718.71228.8087

  0.32288.1991

  8.75

  8.78

  7/16-20(0.4375-20)

  0.42810.43620.39950.403710.873711.079510.147310.2540

  0.37499.5225

  10.19

  10.23

  1/2-20(0.50-20)

  0.49060.49870.46190.466212.461212.667011.732311.8415

  0.437411.1100

  11.78

  11.82

  9/16-18(0.5625-18)

  0.55240.56110.52050.525014.031014.251913.220713.3350

  0.492912.5197

  13.27

  13.31

  5/8-18(0.625-18)

  0.61490.62360.58280.587515.618515.839414.803114.9225

篇六:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常见规格极限尺寸表(粗牙)

  公称尺寸

  螺纹系

  和每英寸牙

  数

  列代号

  大径极限最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-32(0.164-32)

  0.15713.9903

  0.16314.1427

  0.13993.5535

  0.14283.6271

  0.12483.583.61

  3.1699

  10-24(0.190-24)

  0.18184.6177

  0.18904.8006

  0.15864.0284

  0.16194.1123

  0.13794.074.10

  3.5027

  12-24(0.216-24)

  0.20785.2781

  0.21505.4610

  0.18454.6863

  0.18794.7727

  0.16394.724.75

  4.1631

  1/4-20(0.250-20)

  0.24086.1163

  0.24896.3221

  0.21275.4026

  0.21645.4966

  0.18765.455.48

  4.7650

  5/16-18

  0.30260.31130.27120.27520.2431

  (0.3175-18)

  7.68607.90706.88856.9901

  6.946.986.1747

  3/8-16(0.375-16)

  0.36439.2532

  0.37379.4920

  0.32878.3490

  0.33318.4607

  0.29708.408.44

  7.5438

  7/16-14

  0.42580.43610.38500.38970.3485

  (0.4375-14UNC10.815311.0769

  )

  9.7790

  9.8984

  9.839.878.8519

  1/2-13(0.50-13)

  0.48760.49850.44350.44850.404111.3411.38

  12.385012.661911.264911.391910.2641

  9/16-12

  0.54950.56090.50160.50680.4587

  (0.5625-12)

  12.8012.8413.957314.246912.740612.872711.6510

  5/8-11(0.625-11)

  0.61130.62340.55890.56440.511914.2714.32

  15.527015.834414.196114.335813.0023

  3/4-10(0.750-10)

  0.73530.74820.67730.68320.625517.2817.33

  18.676619.004317.203417.353315.8877

  7/8-9(0.875-9)

  0.85920.87310.79460.80090.736820.2720.32

  21.823722.176720.182820.342918.7147

  1"-8(1.000-8)

  0.98300.99800.91000.91680.844623.2223.27

  24.968225.349223.114023.286721.4528

  1.螺胚直径指滚丝前尺寸,数值为依经验公式计算而得,在实践中需验证。2.标识示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常见规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  大径极限

  每英寸牙数列代号最小

  最大

  中径极限

  最小

  最大

  螺胚直径小径max

  最小最大

  8-36(0.164-36)

  0.15774.0056

  0.16324.1453

  0.14243.6170

  0.14523.6881

  0.12913.65

  3.2791

  3.67

  10-32(0.190-32)

  0.18314.6507

  0.18914.8031

  0.16584.2113

  0.16884.2875

  0.15084.24

  3.8303

  4.27

  12-28(0.216-28)

  0.20855.2959

  0.21505.4610

  0.18864.7904

  0.19184.8717

  0.17124.82

  4.3485

  4.85

  1/4-28(0.250-28)

  0.24256.1595

  0.24906.3246

  0.22255.6515

  0.22585.7353

  0.20525.69

  5.2121

  5.71

  5/16-24

  0.30420.31140.28060.28430.2603

  (0.3175-24)

  7.72677.90967.12727.2212

  7.177.206.6116

  3/8-24(0.375-24)

  0.36679.3142

  0.37399.4971

  0.34308.7122

  0.34688.8087

  0.32288.75

  8.1991

  8.78

  7/16-20

  0.42810.43620.39950.40370.3749

  (0.4375-20UNF10.873711.079510.147310.2540

  )

  10.1910.239.5225

  1/2-20(0.50-20)

  0.49060.49870.46190.46620.437411.7811.82

  12.461212.667011.732311.841511.1100

  9/16-18

  0.55240.56110.52050.52500.4929

  (0.5625-18)

  13.2713.3114.031014.251913.220713.335012.5197

  5/8-18(0.625-18)

  0.61490.62360.58280.58750.555414.8514.89

篇七:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙

  数

  螺纹系列代号

  大径极限最小最大

  中径极限

  最小

  最大

  螺胚直径小径max最小最大

  8-32(0.164-32)

  0.15710.16310.13990.14283.99034.14273.55353.6271

  0.12483.1699

  3.58

  3.61

  10-24(0.190-24)

  0.18180.18900.15860.16194.61774.80064.02844.1123

  0.13793.5027

  4.07

  4.10

  12-24(0.216-24)

  0.20780.21500.18450.18795.27815.46104.68634.7727

  0.16394.1631

  4.72

  4.75

  1/4-20(0.250-20)

  0.24080.24890.21270.21646.11636.32215.40265.4966

  0.18764.7650

  5.45

  5.48

  5/16-18(0.3175-18)

  0.30260.31130.27120.27527.68607.90706.88856.9901

  0.24316.1747

  6.94

  6.98

  3/8-16(0.375-16)

  0.36430.37370.32870.33319.25329.49208.34908.4607

  0.29707.5438

  8.40

  8.44

  7/16-14(0.4375-14)

  UNC

  0.425810.8153

  0.436111.0769

  0.38509.7790

  0.38979.8984

  0.34858.8519

  9.83

  9.87

  1/2-13(0.50-13)

  0.48760.49850.44350.448512.385012.661911.264911.3919

  0.404110.2641

  11.34

  11.38

  9/16-12(0.5625-12)

  0.54950.56090.50160.506813.957314.246912.740612.8727

  0.458711.6510

  12.80

  12.84

  5/8-11(0.625-11)

  0.61130.62340.55890.564415.527015.834414.196114.3358

  0.511913.0023

  14.27

  14.32

  3/4-10(0.750-10)

  0.73530.74820.67730.683218.676619.004317.203417.3533

  0.625515.8877

  17.28

  17.33

  7/8-9(0.875-9)

  0.85920.87310.79460.800921.823722.176720.182820.3429

  0.736818.7147

  20.27

  20.32

  1"-8(1.000-8)

  0.98300.99800.91000.916824.968225.349223.114023.2867

  0.844621.4528

  23.22

  23.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系大径极限每英寸牙数列代号最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-36(0.164-36)

  0.15770.16320.14240.14524.00564.14533.61703.6881

  0.12913.2791

  3.65

  3.67

  10-32(0.190-32)

  0.18310.18910.16580.16884.65074.80314.21134.2875

  0.15083.8303

  4.24

  4.27

  12-28(0.216-28)

  0.20850.21500.18860.19185.29595.46104.79044.8717

  0.17124.3485

  4.82

  4.85

  1/4-28(0.250-28)

  0.24250.24900.22250.22586.15956.32465.65155.7353

  0.20525.2121

  5.69

  5.71

  5/16-24(0.3175-24)

  0.30420.31140.28060.28437.72677.90967.12727.2212

  0.26036.6116

  7.17

  7.20

  3/8-24(0.375-24)

  0.36670.37390.34300.34689.31429.49718.71228.8087

  0.32288.1991

  8.75

  8.78

  7/16-20(0.4375-20)

  UNF

  0.428110.8737

  0.436211.0795

  0.399510.1473

  0.403710.2540

  0.37499.5225

  10.19

  10.23

  1/2-20(0.50-20)

  0.49060.49870.46190.466212.461212.667011.732311.8415

  0.437411.1100

  11.78

  11.82

  9/16-18(0.5625-18)

  0.55240.56110.52050.525014.031014.251913.220713.3350

  0.492912.5197

  13.27

  13.31

  5/8-18(0.625-18)

  0.61490.62360.58280.587515.618515.839414.803114.9225

  0.555414.1072

  14.85

  14.89

  3/4-16(0.750-16)

  0.73910.74850.70290.707918.773119.011917.853717.9807

  0.671817.0637

  17.91

  17.95

  7/8-14(0.875-14)

  0.86310.87340.82160.827021.922722.184420.868621.0058

  0.785819.9593

  20.93

  20.97

  1"-12(1.000-12)

  0.98680.99820.93820.944125.064725.354323.830323.9801

  0.896022.7584

  23.90

  23.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和螺纹系小径极限每英寸牙数列代号最小最大

  中径极限

  最小

  最大

  大径min

  底孔直径最小最大

  8-32(0.164-32)

  0.13000.13900.14370.14753.30203.53063.65003.7465

  0.16404.1656

  3.40

  3.50

  10-24(0.190-24)

  0.14500.15600.16290.16723.68303.96244.13774.2469

  0.19004.8260

  3.75

  3.90

  12-24(0.216-24)

  0.17100.18100.18890.19334.34344.59744.79814.9098

  0.21605.4864

  4.40

  4.55

  1/4-20(0.250-20)

  0.19600.20700.21750.22244.97845.25785.52455.6490

  0.25006.3500

  5.05

  5.20

  5/16-18(0.3175-18)

  0.25200.26500.27640.28176.40086.73107.02067.1552

  0.31257.9375

  6.45

  6.60

  3/8-16(0.375-16)

  0.30700.32100.33440.34017.79788.15348.49388.6385

  0.37509.5250

  7.85

  8.00

  7/16-14(0.4375-14)

  UNC

  0.36009.1440

  0.37609.5504

  0.39110.39729.933910.0889

  0.437511.1125

  9.20

  9.40

  1/2-13(0.50-13)

  0.41700.43400.45000.456510.591811.023611.430011.5951

  0.500012.7000

  10.65

  10.90

  9/16-12(0.5625-12)

  0.47200.49000.50840.515211.988812.446012.913413.0861

  0.562514.2875

  12.05

  12.30

  5/8-11(0.625-11)

  0.52700.54600.56600.573213.385813.868414.376414.5593

  0.625015.8750

  13.45

  13.70

  3/4-10(0.750-10)

  0.64200.66300.68500.692716.306816.840217.399017.5946

  0.750019.0500

  16.40

  16.70

  7/8-9(0.875-9)

  0.75500.77800.80280.811019.177019.761220.391120.5994

  0.875022.2250

  19.30

  19.60

  1"-8(1.000-8)

  0.86500.89000.91880.927621.971022.606023.337523.5610

  1.000025.4000

  22.10

  22.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系小径极限每英寸牙数列代号最小最大

  中径极限

  最小

  最大

  大径min

  底孔直径最小最大

  8-36(0.164-36)

  0.13400.14200.14600.14963.40363.60683.70843.7998

  0.16404.1656

  3.45

  3.67

  10-32(0.190-32)

  0.15600.16400.16970.17363.96244.16564.31044.4094

  0.19004.8260

  4.00

  4.27

  12-28(0.216-28)

  0.17700.18600.19280.19704.49584.72444.89715.0038

  0.21605.4864

  4.55

  4.85

  1/4-28(0.250-28)

  0.21100.22000.22680.23115.35945.58805.76075.8699

  0.25006.3500

  5.40

  5.71

  5/16-24(0.3175-24)

  0.26700.27700.28540.29026.78187.03587.24927.3711

  0.31257.9375

  6.85

  7.20

  3/8-24(0.375-24)

  0.33000.34000.34790.35288.38208.63608.83678.9611

  0.37509.5250

  8.45

  8.78

  7/16-20(0.4375-20)

  UNF

  0.38300.39500.40500.41049.728210.033010.287010.4242

  0.437511.1125

  9.85

  10.23

  1/2-20(0.50-20)

  0.44600.45700.46750.473111.328411.607811.874512.0167

  0.500012.7000

  11.40

  11.82

  9/16-18(0.5625-18)

  0.50200.51500.52640.532312.750813.081013.370613.5204

  0.562514.2875

  12.85

  13.31

  5/8-18(0.625-18)

  0.56500.57800.58890.594914.351014.681214.958115.1105

  0.625015.8750

  14.45

  14.89

  3/4-16(0.750-16)

  0.68200.69600.70940.715917.322817.678418.018818.1839

  0.750019.0500

  17.40

  17.95

  7/8-14(0.875-14)

  0.79800.81400.82860.835620.269220.675621.046421.2242

  0.875022.2250

  20.35

  20.97

  1"-12(1.000-12)

  0.91000.92800.94590.953523.114023.571224.025924.2189

  1.000025.4000

  23.90

  23.95

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或0.190-32UNF-2B)、3/8-24UNF-2B(或0.375-24UNF-2B)

  美制螺纹计算公式:

  一、示例:粗牙系列3/8—16UNC—2A细牙系列3/8—24UNF—2A特细牙系列3/8—32UNFF—2A定螺距系列3/8—20UN—2A

  第一位数字3/8表示螺纹外径,单位为英寸,转换为米制单位mm要乘以25.4,即3/8×25.4=9.525mm;第二、三位数字16、24、32、20为每英寸牙数(在25.4mm长度上的牙数);第三位以后的文字代号UNC、UNF、UNFF、UN为系列代号,最后两位2A为精度等级。

  二:10-32UNF以10为例:大径:(10*0.013+0.06)*25.4=4.826

篇八:美制螺栓标准对照表

  美制螺纹标准对照表公称尺寸和每英寸牙数8#-32(0.164-32)#10-24(0.190-24)#12-24(0.216-24)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/8-11(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)美制外螺纹(2A)常用规格极限尺寸表(粗牙)大径极限中径极限螺纹系小径max列代号最小最大最小最大0.15710.16310.13990.14280.12483.99034.14273.55353.62713.16990.18180.18900.15860.16190.13794.61774.80064.02844.11233.50270.20780.21500.18450.18790.16395.27815.46104.68634.77274.16310.24080.24890.21270.21640.18766.11636.32215.40265.49664.76500.30260.31130.27120.27520.24317.68607.90706.88856.99016.17470.36430.37370.32870.33310.29709.25329.49208.34908.46077.54380.42580.43610.38500.38970.3485UNC10.815311.07699.77909.89848.85190.48760.49850.44350.44850.404112.385012.661911.264911.391910.26410.54950.56090.50160.50680.458713.957314.246912.740612.872711.65100.61130.62340.55890.56440.511915.527015.834414.196114.335813.00230.73530.74820.67730.68320.625518.676619.004317.203417.353315.88770.85920.87310.79460.80090.736821.823722.176720.182820.342918.71470.98300.99800.91000.91680.844624.968225.349223.114023.286721.4528螺胚直径最小最大3.584.074.725.456.948.409.8311.3412.8014.2717.2820.2723.223.614.104.755.486.988.449.8711.3812.8414.3217.3320.3223.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)大径极限中径极限公称尺寸和螺纹系小径max每英寸牙数列代号最小最大最小最大8-360.15770.16320.14240.14520.1291(0.164-36)4.00564.14533.61703.68813.279110-320.18310.18910.16580.16880.1508(0.190-32)4.65074.80314.21134.28753.830312-280.20850.21500.18860.19180.1712(0.216-28)5.29595.46104.79044.87174.34851/4-280.24250.24900.22250.22580.2052(0.250-28)6.15956.32465.65155.73535.21215/16-240.30420.31140.28060.28430.2603(0.3175-24)7.72677.90967.12727.22126.61163/8-240.36670.37390.34300.34680.3228(0.375-24)9.31429.49718.71228.80878.19917/16-200.42810.43620.39950.40370.3749UNF(0.4375-20)10.873711.079510.147310.25409.52251/2-200.49060.49870.46190.46620.4374(0.50-20)12.461212.667011.732311.841511.11009/16-180.55240.56110.52050.52500.4929(0.5625-18)14.031014.251913.220713.335012.51975/8-180.61490.62360.58280.58750.5554(0.625-18)15.618515.839414.803114.922514.10723/4-160.73910.74850.70290.70790.6718(0.750-16)18.773119.011917.853717.980717.06377/8-140.86310.87340.82160.82700.7858(0.875-14)21.922722.184420.868621.005819.95931"-120.98680.99820.93820.94410.8960(1.000-12)25.064725.354323.830323.980122.7584

  螺胚直径最小最大3.654.244.825.697.178.7510.1911.7813.2714.8517.9120.9323.903.674.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  公称尺寸和每英寸牙数8-32(0.164-32)10-24(0.190-24)12-24(0.216-24)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/8-11(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)螺纹小径极限中径极限系列大径min最小最大最小最大代号0.13000.13900.14370.14750.16403.30203.53063.65003.74654.16560.14500.15600.16290.16720.19003.68303.96244.13774.24694.82600.17100.18100.18890.19330.21604.34344.59744.79814.90985.48640.19600.20700.21750.22240.25004.97845.25785.52455.64906.35000.25200.26500.27640.28170.31256.40086.73107.02067.15527.93750.30700.32100.33440.34010.37507.79788.15348.49388.63859.52500.36000.37600.39110.39720.4375UNC9.14409.55049.933910.088911.11250.41700.43400.45000.45650.500010.591811.023611.430011.595112.70000.47200.49000.50840.51520.562511.988812.446012.913413.086114.28750.52700.54600.56600.57320.625013.385813.868414.376414.559315.87500.64200.66300.68500.69270.750016.306816.840217.399017.594619.05000.75500.77800.80280.81100.875019.177019.761220.391120.599422.22500.86500.89000.91880.92761.000021.971022.606023.337523.561025.4000

  底孔直径最小3.403.754.405.056.457.859.2010.6512.0513.4516.4019.3022.10最大3.503.904.555.206.608.009.4010.9012.3013.7016.7019.6022.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)小径极限中径极限公称尺寸和螺纹系大径min每英寸牙数列代号最小最大最小最大8-360.13400.14200.14600.14960.1640(0.164-36)3.40363.60683.70843.79984.165610-320.15600.16400.16970.17360.1900(0.190-32)3.96244.16564.31044.40944.826012-280.17700.18600.19280.19700.2160(0.216-28)4.49584.72444.89715.00385.48641/4-280.21100.22000.22680.23110.2500(0.250-28)5.35945.58805.76075.86996.35005/16-240.26700.27700.28540.29020.3125(0.3175-24)6.78187.03587.24927.37117.93753/8-240.33000.34000.34790.35280.3750(0.375-24)8.38208.63608.83678.96119.52507/16-200.38300.39500.40500.41040.4375UNF(0.4375-20)9.728210.033010.287010.424211.11251/2-200.44600.45700.46750.47310.5000(0.50-20)11.328411.607811.874512.016712.70009/16-180.50200.51500.52640.53230.5625(0.5625-18)12.750813.081013.370613.520414.28755/8-180.56500.57800.58890.59490.6250(0.625-18)14.351014.681214.958115.110515.87503/4-160.68200.69600.70940.71590.7500(0.750-16)17.322817.678418.018818.183919.05007/8-140.79800.81400.82860.83560.8750(0.875-14)20.269220.675621.046421.224222.22501"-120.91000.92800.94590.95351.0000(1.000-12)23.114023.571224.025924.218925.4000

  底孔直径最小最大3.454.004.555.406.858.459.8511.4012.8514.4517.4020.3523.903.674.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

篇九:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和螺纹系列

  大径极限

  每英寸牙数代号最小最大

  中径极限

  最小

  最大

  小径max

  8-32

  0.15710.16310.13990.14280.1248

  (0.164-32)

  3.99034.14273.55353.62713.1699

  10-24

  0.18180.18900.15860.16190.1379

  (0.190-24)

  4.61774.80064.02844.11233.5027

  12-24

  0.20780.21500.18450.18790.1639

  (0.216-24)

  5.27815.46104.68634.77274.1631

  1/4-20

  0.24080.24890.21270.21640.1876

  (0.250-20)

  6.11636.32215.40265.49664.7650

  5/16-18

  0.30260.31130.27120.27520.2431

  (0.3175-18)

  7.68607.90706.88856.99016.1747

  3/8-16

  0.36430.37370.32870.33310.2970

  (0.375-16)

  9.25329.49208.34908.46077.5438

  7/16-14(0.4375-14)

  UNC

  0.42580.436110.815311.0769

  0.38509.7790

  0.38979.8984

  0.34858.8519

  1/2-13

  0.48760.49850.44350.44850.4041

  (0.50-13)

  12.385012.661911.264911.391910.2641

  9/16-12

  0.54950.56090.50160.50680.4587

  (0.5625-12)

  13.957314.246912.740612.872711.6510

  5/8-11

  0.61130.62340.55890.56440.5119

  (0.625-11)

  15.527015.834414.196114.335813.0023

  3/4-10

  0.73530.74820.67730.68320.6255

  (0.750-10)

  18.676619.004317.203417.353315.8877

  7/8-9

  0.85920.87310.79460.80090.7368

  (0.875-9)

  21.823722.176720.182820.342918.7147

  1"-8

  0.98300.99800.91000.91680.8446

  (1.000-8)

  24.968225.349223.114023.286721.4528

  螺胚直径

  最小

  最大

  3.58

  3.61

  4.07

  4.10

  4.72

  4.75

  5.45

  5.48

  6.94

  6.98

  8.40

  8.44

  9.83

  9.87

  11.3411.38

  12.8012.84

  14.2714.32

  17.2817.33

  20.2720.32

  23.2223.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系列代

  大径极限

  每英寸牙数

  号

  最小最大

  8-36

  0.15770.1632

  (0.164-36)

  4.00564.1453

  10-32

  0.18310.1891

  (0.190-32)

  4.65074.8031

  12-28

  0.20850.2150

  (0.216-28)

  5.29595.4610

  1/4-28

  0.24250.2490

  (0.250-28)

  6.15956.3246

  5/16-24

  0.30420.3114

  (0.3175-24)

  7.72677.9096

  3/8-24

  0.36670.3739

  (0.375-24)

  9.31429.4971

  7/16-20(0.4375-20)

  UNF

  0.42810.436210.873711.0795

  1/2-20

  0.49060.4987

  (0.50-20)

  12.461212.6670

  9/16-18

  0.55240.5611

  (0.5625-18)

  14.031014.2519

  5/8-18

  0.61490.6236

  (0.625-18)

  15.618515.8394

  3/4-16

  0.73910.7485

  (0.750-16)

  18.773119.0119

  7/8-14

  0.86310.8734

  (0.875-14)

  21.922722.1844

  1"-12

  0.98680.9982

  (1.000-12)

  25.064725.3543

  中径极限

  最小

  最大

  小径max

  0.14240.14520.1291

  3.61703.68813.2791

  0.16580.16880.1508

  4.21134.28753.8303

  0.18860.19180.1712

  4.79044.87174.3485

  0.22250.22580.2052

  5.65155.73535.2121

  0.28060.28430.2603

  7.12727.22126.6116

  0.34300.34680.3228

  8.71228.80878.1991

  0.39950.40370.3749

  10.147310.25409.5225

  0.46190.46620.4374

  11.732311.841511.1100

  0.52050.52500.4929

  13.220713.335012.5197

  0.58280.58750.5554

  14.803114.922514.1072

  0.70290.70790.6718

  17.853717.980717.0637

  0.82160.82700.7858

  20.868621.005819.9593

  0.93820.94410.8960

  23.830323.980122.7584

  螺胚直径

  最小

  最大

  3.65

  3.67

  4.24

  4.27

  4.82

  4.85

  5.69

  5.71

  7.17

  7.20

  8.75

  8.78

  10.1910.23

  11.7811.82

  13.2713.31

  14.8514.89

  17.9117.95

  20.9320.97

  23.9023.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每英螺纹系列

  小径极限

  中径极限

  寸牙数

  代号

  最小

  最大

  最小

  最大

  大径min

  底孔直径最小最大

  8-32(0.164-32)

  0.13000.13903.30203.5306

  0.14373.6500

  0.14753.7465

  0.16404.1656

  3.40

  3.50

  10-24(0.190-24)

  0.14500.15603.68303.9624

  0.16294.1377

  0.16724.2469

  0.19004.8260

  3.75

  3.90

  12-24(0.216-24)

  0.17100.18104.34344.5974

  0.18894.7981

  0.19334.9098

  0.21605.4864

  4.40

  4.55

  1/4-20(0.250-20)

  0.19600.20704.97845.2578

  0.21755.5245

  0.22245.6490

  0.25006.3500

  5.05

  5.20

  5/16-18(0.3175-18)

  0.25200.26506.40086.7310

  0.27647.0206

  0.28177.1552

  0.31257.9375

  6.45

  6.60

  3/8-16(0.375-16)

  0.30700.32107.79788.1534

  0.33448.4938

  0.34018.6385

  0.37509.5250

  7.85

  8.00

  7/16-14(0.4375-14)

  UNC

  0.36000.37609.14409.5504

  0.39110.39729.933910.0889

  0.437511.1125

  9.20

  9.40

  1/2-13(0.50-13)

  0.41700.43400.45000.456510.591811.023611.430011.5951

  0.500012.7000

  10.65

  10.90

  9/16-12(0.5625-12)

  0.47200.49000.50840.515211.988812.446012.913413.0861

  0.562514.2875

  12.05

  12.30

  5/8-11(0.625-11)

  0.52700.54600.56600.573213.385813.868414.376414.5593

  0.625015.8750

  13.45

  13.70

  3/4-10(0.750-10)

  0.64200.66300.68500.692716.306816.840217.399017.5946

  0.750019.0500

  16.40

  16.70

  7/8-9(0.875-9)

  0.75500.77800.80280.811019.177019.761220.391120.5994

  0.875022.2250

  19.30

  19.60

  1"-8(1.000-8)

  0.86500.89000.91880.927621.971022.606023.337523.5610

  1.000025.4000

  22.10

  22.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和每螺纹系列

  小径极限

  中径极限

  英寸牙数

  代号最小最大

  最小

  最大

  8-36(0.164-36)

  UNF

  0.13403.4036

  0.14203.6068

  0.14603.7084

  0.14963.7998

  大径min

  0.16404.1656

  底孔直径最小最大

  3.453.67

  10-32(0.190-32)

  12-28(0.216-28)

  1/4-28(0.250-28)

  5/16-24(0.3175-24)

  3/8-24(0.375-24)

  7/16-20(0.4375-20)

  1/2-20(0.50-20)9/16-18(0.5625-18)

  5/8-18(0.625-18)

  3/4-16(0.750-16)

  7/8-14(0.875-14)

  1"-12(1.000-12)

  0.15603.96240.17704.49580.21105.35940.26706.78180.33008.38200.38309.72820.446011.32840.502012.75080.565014.35100.682017.32280.798020.26920.910023.1140

  0.16404.16560.18604.72440.22005.58800.27707.03580.34008.63600.395010.03300.457011.60780.515013.08100.578014.68120.696017.67840.814020.67560.928023.5712

  0.16974.31040.19284.89710.22685.76070.28547.24920.34798.83670.405010.28700.467511.87450.526413.37060.588914.95810.709418.01880.828621.04640.945924.0259

  0.17364.40940.19705.00380.23115.86990.29027.37110.35288.96110.410410.42420.473112.01670.532313.52040.594915.11050.715918.18390.835621.22420.953524.2189

  0.19004.8260

  4.00

  0.21605.4864

  4.55

  0.25006.3500

  5.40

  0.31257.9375

  6.85

  0.37509.5250

  8.45

  0.437511.1125

  9.85

  0.500012.7000

  11.40

  0.562514.2875

  12.85

  0.625015.8750

  14.45

  0.750019.0500

  17.40

  0.875022.2250

  20.35

  1.000025.4000

  23.90

  4.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

篇十:美制螺栓标准对照表

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙数螺纹系

  列代号

  大径极限中径极限

  小

  径max

  螺胚直径最小最大最小最大最小最大

  8-32

  UNC0.15710.16310.13990.14280.1248

  3.583.61

  (0.164-32)3.99034.14273.55353.62713.1699

  10-240.18180.18900.15860.16190.1379

  4.074.10

  (0.190-24)4.61774.80064.02844.11233.5027

  12-240.20780.21500.18450.18790.1639

  4.724.75

  (0.216-24)5.27815.46104.68634.77274.1631

  1/4-200.24080.24890.21270.21640.1876

  5.455.48

  (0.250-20)6.11636.32215.40265.49664.7650

  5/16-180.30260.31130.27120.27520.2431

  6.946.98

  (0.3175-18)7.68607.90706.88856.99016.1747

  3/8-160.36430.37370.32870.33310.2970

  8.408.44

  (0.375-16)9.25329.49208.34908.46077.5438

  7/16-140.42580.43610.38500.38970.3485

  9.839.87

  (0.4375-14)10.815311.07699.77909.89848.8519

  1/2-130.48760.49850.44350.44850.4041

  11.3411.38

  (0.50-13)12.385012.661911.264911.391910.2641

  9/16-120.54950.56090.50160.50680.4587

  12.8012.84

  (0.5625-12)13.957314.246912.740612.872711.6510

  5/8-110.61130.62340.55890.56440.5119

  14.2714.32

  (0.625-11)15.527015.834414.196114.335813.0023

  3/4-100.73530.74820.67730.68320.6255

  17.2817.33

  (0.750-10)18.676619.004317.203417.353315.8877

  7/8-90.85920.87310.79460.80090.7368

  20.2720.32

  (0.875-9)21.823722.176720.182820.342918.7147

  1"-80.98300.99800.91000.91680.8446

  23.2223.27

  (1.000-8)24.968225.349223.114023.286721.4528

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。

  2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)

  (注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和每英寸牙数螺纹系

  列代号

  大径极限中径极限

  小径max

  螺胚直径最小最大最小最大最小最大

  8-36

  UNF0.15770.16320.14240.14520.1291

  3.653.67

  (0.164-36)4.00564.14533.61703.68813.2791

  10-320.18310.18910.16580.16880.1508

  4.244.27(0.190-32)4.65074.80314.21134.28753.8303

  12-280.20850.21500.18860.19180.17124.824.85

  (0.216-28)5.29595.46104.79044.87174.3485

  1/4-280.24250.24900.22250.22580.2052

  5.695.71(0.250-28)

  6.15956.32465.65155.73535.2121

  5/16-240.30420.31140.28060.28430.2603

  7.177.20(0.3175-24)7.72677.90967.12727.22126.6116

  3/8-240.36670.37390.34300.34680.3228

  8.758.78(0.375-24)9.31429.49718.71228.80878.1991

  7/16-200.42810.43620.39950.40370.3749

  10.1910.23(0.4375-20)10.873711.079510.147310.25409.5225

  1/2-200.49060.49870.46190.46620.4374

  11.7811.82(0.50-20)12.461212.667011.732311.841511.1100

  9/16-180.55240.56110.52050.52500.4929

篇十一:美制螺栓标准对照表

P>  如果对你有帮助,请下载使用!

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙螺纹系

  大径极限

  数

  列代号最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-32(0.164-32)

  0.15710.16310.13990.14283.99034.14273.55353.6271

  0.12483.1699

  3.58

  3.61

  10-24(0.190-24)

  0.18180.18900.15860.16194.61774.80064.02844.1123

  0.13793.5027

  4.07

  4.10

  12-24(0.216-24)

  0.20780.21500.18450.18795.27815.46104.68634.7727

  0.16394.1631

  4.72

  4.75

  1/4-20(0.250-20)

  0.24080.24890.21270.21646.11636.32215.40265.4966

  0.18764.7650

  5.45

  5.48

  5/16-18(0.3175-18)

  0.30260.31130.27120.27527.68607.90706.88856.9901

  0.24316.1747

  6.94

  6.98

  3/8-16(0.375-16)

  0.36430.37370.32870.33319.25329.49208.34908.4607

  0.29707.5438

  8.40

  8.44

  7/16-14(0.4375-14)

  UNC

  0.425810.8153

  0.436111.0769

  0.38509.7790

  0.38979.8984

  0.34858.8519

  9.83

  9.87

  1/2-13(0.50-13)

  0.48760.49850.44350.448512.385012.661911.264911.3919

  0.404110.2641

  11.34

  11.38

  9/16-12(0.5625-12)

  0.54950.56090.50160.506813.957314.246912.740612.8727

  0.458711.6510

  12.80

  12.84

  5/8-11(0.625-11)

  0.61130.62340.55890.564415.527015.834414.196114.3358

  0.511913.0023

  14.27

  14.32

  3/4-10(0.750-10)

  0.73530.74820.67730.683218.676619.004317.203417.3533

  0.625515.8877

  17.28

  17.33

  7/8-9(0.875-9)

  0.85920.87310.79460.800921.823722.176720.182820.3429

  0.736818.7147

  20.27

  20.32

  1"-8(1.000-8)

  0.98300.99800.91000.916824.968225.349223.114023.2867

  0.844621.4528

  23.22

  23.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。

  2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)

  (注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系大径极限每英寸牙数列代号最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-36(0.164-36)

  0.15770.16320.14240.14524.00564.14533.61703.6881

  0.12913.2791

  3.65

  3.67

  10-32(0.190-32)

  UNF

  0.18314.6507

  0.18914.8031

  0.16584.2113

  0.16884.2875

  0.15083.8303

  4.24

  4.27

  12-28(0.216-28)

  0.20850.21500.18860.19185.29595.46104.79044.8717

  0.17124.3485

  4.82

  4.85

  1

  如果对你有帮助,请下载使用!

  1/4-28(0.250-28)

  0.24250.24900.22250.22586.15956.32465.65155.7353

  0.20525.2121

  5.69

  5.71

  5/16-24(0.3175-24)

  0.30420.31140.28060.28437.72677.90967.12727.2212

  0.26036.6116

  7.17

  7.20

  3/8-24(0.375-24)

  0.36670.37390.34300.34689.31429.49718.71228.8087

  0.32288.1991

  8.75

  8.78

  7/16-20(0.4375-20)

  0.42810.43620.39950.403710.873711.079510.147310.2540

  0.37499.5225

  10.19

  10.23

  1/2-20(0.50-20)

  0.49060.49870.46190.466212.461212.667011.732311.8415

  0.437411.1100

  11.78

  11.82

  9/16-18(0.5625-18)

  0.55240.56110.52050.525014.031014.251913.220713.3350

  0.492912.5197

  13.27

  13.31

  5/8-18(0.625-18)

  0.61490.62360.58280.587515.618515.839414.803114.9225

  0.555414.1072

篇十二:美制螺栓标准对照表

P>  美制螺纹标准对照表(总6页)

  本页仅作为文档封面,使用时可以删除Thisdocumentisforreferenceonly-rar21year.March

  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙

  数

  螺纹系列代号

  大径极限

  最小

  最大

  中径极限

  最小

  最大

  8-32

  小径max

  螺胚直径最小最大

  10-24

  12-24

  1/4-20

  5/16-18

  3/8-16

  7/16-141/2-13

  UNC

  9/16-12

  5/8-11

  3/4-10

  7/8-9

  1"-8

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或、3/8-16UNC-2A(或(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  大径极限

  中径极限

  每英寸牙数列代号最小

  最大

  最小

  最大

  8-36

  UNF

  小径max

  螺胚直径最小最大

  10-32

  12-281/4-285/16-243/8-247/16-201/2-209/16-185/8-183/4-167/8-141"-12

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或、3/8-24UNF-2A(或

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每螺纹系列

  小径极限

  中径极限

  英寸牙数

  代号

  最小

  最大

  最小

  最大

  8-32

  10-2412-24

  UNC

  1/4-20

  大径min

  底孔直径

  最小

  最大

  5/16-183/8-16

  7/16-141/2-139/16-125/8-113/4-107/8-91"-8

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或、3/8-16UNC-2B(或

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  小径极限

  中径极限

  每英寸牙数列代号最小

  最大

  最小

  最大

  8-36

  大径min

  底孔直径最小最大

  10-32

  12-28

  1/4-28UNF

  5/16-24

  3/8-24

  7/16-20

  1/2-209/16-18

  5/8-183/4-167/8-141"-12

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或、3/8-24UNF-2B(或

篇十三:美制螺栓标准对照表

P>  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸

  螺纹系

  和每英寸牙

  数

  列代号

  大径极限最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-32(0.164-32)

  0.15713.9903

  0.16314.1427

  0.13993.5535

  0.14283.6271

  0.12483.583.61

  3.1699

  10-24(0.190-24)

  0.18184.6177

  0.18904.8006

  0.15864.0284

  0.16194.1123

  0.13794.074.10

  3.5027

  12-24(0.216-24)

  0.20785.2781

  0.21505.4610

  0.18454.6863

  0.18794.7727

  0.16394.724.75

  4.1631

  1/4-20(0.250-20)

  0.24086.1163

  0.24896.3221

  0.21275.4026

  0.21645.4966

  0.18765.455.48

  4.7650

  5/16-18

  0.30260.31130.27120.27520.2431

  (0.3175-18)

  7.68607.90706.88856.9901

  6.946.986.1747

  3/8-16(0.375-16)

  0.36439.2532

  0.37379.4920

  0.32878.3490

  0.33318.4607

  0.29708.408.44

  7.5438

  7/16-14

  0.42580.43610.38500.38970.3485

  (0.4375-14UNC10.815311.0769

  )

  9.7790

  9.8984

  9.839.878.8519

  1/2-13(0.50-13)

  0.48760.49850.44350.44850.404111.3411.38

  12.385012.661911.264911.391910.2641

  9/16-12

  0.54950.56090.50160.50680.4587

  (0.5625-12)

  12.8012.8413.957314.246912.740612.872711.6510

  5/8-11(0.625-11)

  0.61130.62340.55890.56440.511914.2714.32

  15.527015.834414.196114.335813.0023

  3/4-10(0.750-10)

  0.73530.74820.67730.68320.625517.2817.33

  18.676619.004317.203417.353315.8877

  7/8-9(0.875-9)

  0.85920.87310.79460.80090.736820.2720.32

  21.823722.176720.182820.342918.7147

  1"-8(1.000-8)

  0.98300.99800.91000.91680.844623.2223.27

  24.968225.349223.114023.286721.4528

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  大径极限

  每英寸牙数列代号最小

  最大

  8-36

  0.15770.1632

  (0.164-36)

  4.00564.1453

  10-32

  0.18310.1891

  (0.190-32)

  4.65074.8031

  12-28

  0.20850.2150

  (0.216-28)

  5.29595.4610

  1/4-28

  0.24250.2490

  (0.250-28)

  6.15956.3246

  5/16-24

  0.30420.3114

  (0.3175-24)

  7.72677.9096

  3/8-24

  0.36670.3739

  (0.375-24)

  9.31429.4971

  7/16-20

  0.42810.4362

  (0.4375-20UNF

  )

  10.873711.0795

  1/2-20

  0.49060.4987

  (0.50-20)

  12.461212.6670

  9/16-18

  0.55240.5611

  (0.5625-18)

  14.031014.2519

  5/8-18

  0.61490.6236

  (0.625-18)

  15.618515.8394

  3/4-16

  0.73910.7485

  (0.750-16)

  18.773119.0119

  7/8-14

  0.86310.8734

  (0.875-14)

  21.922722.1844

  1"-12

  0.98680.9982

  (1.000-12)

  25.064725.3543

  中径极限

  最小

  最大

  螺胚直径小径max

  最小最大

  0.14243.6170

  0.14523.6881

  0.12913.65

  3.2791

  3.67

  0.16584.2113

  0.16884.2875

  0.15084.24

  3.8303

  4.27

  0.18864.7904

  0.19184.8717

  0.17124.82

  4.3485

  4.85

  0.22255.6515

  0.22585.7353

  0.20525.69

  5.2121

  5.71

  0.28060.28430.2603

  7.12727.2212

  7.177.206.6116

  0.34308.71220.3995

  0.34688.80870.4037

  10.147310.2540

  0.32288.75

  8.19910.3749

  10.199.5225

  8.7810.23

  0.461911.7323

  0.5205

  0.466211.8415

  0.5250

  13.220713.3350

  0.437411.78

  11.11000.492913.27

  12.5197

  11.8213.31

  0.582814.8031

  0.702917.8537

  0.821620.8686

  0.938223.8303

  0.587514.9225

  0.707917.9807

  0.827021.0058

  0.944123.9801

  0.555414.85

  14.10720.671817.91

  17.06370.785820.93

  19.95930.896023.90

  22.7584

  14.8917.9520.9723.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每螺纹系英寸牙数列代号8-32

  (0.164-32)10-24

  (0.190-24)12-24

  (0.216-24)1/4-20

  (0.250-20)5/16-18

  (0.3175-18)3/8-16

  (0.375-16)7/16-14UNC

  (0.4375-14)1/2-13

  (0.50-13)9/16-12

  (0.5625-12)5/8-11

  (0.625-11)3/4-10

  (0.750-10)7/8-9

  (0.875-9)1"-8

  (1.000-8)

  小径极限

  最小

  最大

  0.1300

  0.1390

  3.3020

  3.5306

  0.1450

  0.1560

  3.6830

  3.9624

  0.1710

  0.1810

  4.3434

  4.5974

  0.1960

  0.2070

  4.9784

  5.2578

  0.2520

  0.2650

  6.4008

  6.7310

  0.3070

  0.3210

  7.7978

  8.1534

  0.3600

  0.3760

  9.1440

  9.5504

  0.4170

  0.4340

  10.591811.0236

  0.4720

  0.4900

  11.988812.4460

  0.5270

  0.5460

  13.385813.8684

  0.6420

  0.6630

  16.306816.8402

  0.7550

  0.7780

  19.177019.7612

  0.8650

  0.8900

  21.971022.6060

  中径极限

  最小

  最大

  0.1437

  0.1475

  3.6500

  3.7465

  0.1629

  0.1672

  4.1377

  4.2469

  0.1889

  0.1933

  4.7981

  4.9098

  0.2175

  0.2224

  5.5245

  5.6490

  0.2764

  0.2817

  7.0206

  7.1552

  0.3344

  0.3401

  8.4938

  8.6385

  0.3911

  0.3972

  9.933910.0889

  0.4500

  0.4565

  11.430011.5951

  0.5084

  0.5152

  12.913413.0861

  0.5660

  0.5732

  14.376414.5593

  0.6850

  0.6927

  17.399017.5946

  0.8028

  0.8110

  20.391120.5994

  0.9188

  0.9276

  23.337523.5610

  大径min

  底孔直径

  最小

  最大

  0.16403.40

  4.1656

  3.50

  0.19003.75

  4.8260

  3.90

  0.21604.40

  5.4864

  4.55

  0.25005.05

  6.3500

  5.20

  0.31256.45

  7.9375

  6.60

  0.37507.85

  9.5250

  8.00

  0.43759.20

  11.1125

  9.40

  0.500010.65

  12.7000

  10.90

  0.562512.05

  14.2875

  12.30

  0.625013.45

  15.8750

  13.70

  0.750016.40

  19.0500

  16.70

  0.875019.30

  22.2250

  19.60

  1.000022.10

  25.4000

  22.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  小径极限

  每英寸牙数列代号最小

  最大

  8-36

  0.13400.1420

  (0.164-36)

  3.40363.6068

  10-32

  0.15600.1640

  (0.190-32)

  3.96244.1656

  12-28

  0.17700.1860

  (0.216-28)

  4.49584.7244

  1/4-28

  0.21100.2200

  (0.250-28)

  5.35945.5880

  5/16-24

  0.26700.2770

  (0.3175-24)

  6.78187.0358

  3/8-24

  0.33000.3400

  (0.375-24)

  8.38208.6360

  7/16-20

  0.38300.3950

  (0.4375-20UNF)

  9.728210.0330

  1/2-20

  0.44600.4570

  (0.50-20)

  11.328411.6078

  9/16-18

  0.50200.5150

  (0.5625-18)

  12.750813.0810

  5/8-18

  0.56500.5780

  (0.625-18)

  14.351014.6812

  3/4-16

  0.68200.6960

  (0.750-16)

  17.322817.6784

  7/8-14

  0.79800.8140

  (0.875-14)

  20.269220.6756

  1"-12

  0.91000.9280

  (1.000-12)

  23.114023.5712

  中径极限

  最小

  最大

  底孔直径大径min

  最小最大

  0.14603.7084

  0.14963.7998

  0.16403.45

  4.1656

  3.67

  0.16974.3104

  0.17364.4094

  0.19004.00

  4.8260

  4.27

  0.19284.8971

  0.19705.0038

  0.21604.55

  5.4864

  4.85

  0.22685.7607

  0.23115.8699

  0.25005.40

  6.3500

  5.71

  0.28540.29020.3125

  7.24927.3711

  6.857.207.9375

  0.34798.83670.4050

  0.35288.96110.4104

  10.287010.4242

  0.37509.52500.4375

  11.1125

  8.459.85

  8.7810.23

  0.467511.8745

  0.5264

  0.473112.0167

  0.5323

  13.370613.5204

  0.500011.40

  12.70000.562512.85

  14.2875

  11.8213.31

  0.588914.9581

  0.709418.0188

  0.828621.0464

  0.945924.0259

  0.594915.1105

  0.715918.1839

  0.835621.2242

  0.953524.2189

  0.625014.45

  15.87500.750017.40

  19.05000.875020.35

  22.22501.000023.90

  25.4000

  14.8917.9520.9723.95

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或0.190-32UNF-2B)、3/8-24UNF-2B(或0.375-24UNF-2B)

篇十四:美制螺栓标准对照表

P>  9168公称尺寸和每英寸牙数美制外螺纹2a常用规格极限尺寸表细牙螺纹系列代号最小最大大径极限中径极限最小小径max螺胚直径最小最大最大8360

  美制螺纹标准对照表美制外螺纹(2A)常用规格极限尺寸表(粗牙)大径极限中径极限公称尺寸和螺纹系列小径max每英寸牙数代号最小最大最小最大8-320.15710.16310.13990.14280.1248(0.164-32)3.99034.14273.55353.62713.169910-240.18180.18900.15860.16190.1379(0.190-24)4.61774.80064.02844.11233.502712-240.20780.21500.18450.18790.1639(0.216-24)5.27815.46104.68634.77274.16311/4-200.24080.24890.21270.21640.1876(0.250-20)6.11636.32215.40265.49664.76505/16-180.30260.31130.27120.27520.2431(0.3175-18)7.68607.90706.88856.99016.17473/8-160.36430.37370.32870.33310.2970(0.375-16)9.25329.49208.34908.46077.54387/16-140.42580.43610.38500.38970.3485UNC(0.4375-14)10.815311.07699.77909.89848.85191/2-130.48760.49850.44350.44850.4041(0.50-13)12.385012.661911.264911.391910.26419/16-120.54950.56090.50160.50680.4587(0.5625-12)13.957314.246912.740612.872711.65105/8-110.61130.62340.55890.56440.5119(0.625-11)15.527015.834414.196114.335813.00233/4-100.73530.74820.67730.68320.6255(0.750-10)18.676619.004317.203417.353315.88777/8-90.85920.87310.79460.80090.7368(0.875-9)21.823722.176720.182820.342918.71471"-80.98300.99800.91000.91680.8446(1.000-8)24.968225.349223.114023.286721.4528螺胚直径最小最大3.584.074.725.456.948.409.8311.3412.8014.2717.2820.2723.223.614.104.755.486.988.449.8711.3812.8414.3217.3320.3223.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)大径极限中径极限公称尺寸和螺纹系列代小径max每英寸牙数号最小最大最小最大8-360.15770.16320.14240.14520.1291(0.164-36)4.00564.14533.61703.68813.279110-320.18310.18910.16580.16880.1508(0.190-32)4.65074.80314.21134.28753.830312-280.20850.21500.18860.19180.1712(0.216-28)5.29595.46104.79044.87174.34851/4-280.24250.24900.22250.22580.2052(0.250-28)6.15956.32465.65155.73535.21215/16-240.30420.31140.28060.28430.2603(0.3175-24)7.72677.90967.12727.22126.61163/8-240.36670.37390.34300.34680.3228(0.375-24)9.31429.49718.71228.80878.19917/16-200.42810.43620.39950.40370.3749UNF(0.4375-20)10.873711.079510.147310.25409.52251/2-200.49060.49870.46190.46620.4374(0.50-20)12.461212.667011.732311.841511.11009/16-180.55240.56110.52050.52500.4929(0.5625-18)14.031014.251913.220713.335012.51975/8-180.61490.62360.58280.58750.5554(0.625-18)15.618515.839414.803114.922514.10723/4-160.73910.74850.70290.70790.6718(0.750-16)18.773119.011917.853717.980717.06377/8-140.86310.87340.82160.82700.7858(0.875-14)21.922722.184420.868621.005819.95931"-120.98680.99820.93820.94410.8960(1.000-12)25.064725.354323.830323.980122.7584

  螺胚直径最小最大3.654.244.825.697.178.7510.1911.7813.2714.8517.9120.9323.903.674.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)小径极限中径极限公称尺寸和每英螺纹系列大径min寸牙数代号最小最大最小最大8-320.13000.13900.14370.14750.1640(0.164-32)3.30203.53063.65003.74654.165610-240.14500.15600.16290.16720.1900(0.190-24)3.68303.96244.13774.24694.826012-240.17100.18100.18890.19330.2160(0.216-24)4.34344.59744.79814.90985.48641/4-200.19600.20700.21750.22240.2500(0.250-20)4.97845.25785.52455.64906.35005/16-180.25200.26500.27640.28170.3125(0.3175-18)6.40086.73107.02067.15527.93753/8-160.30700.32100.33440.34010.3750(0.375-16)7.79788.15348.49388.63859.52507/16-140.36000.37600.39110.39720.4375UNC(0.4375-14)9.14409.55049.933910.088911.11251/2-130.41700.43400.45000.45650.5000(0.50-13)10.591811.023611.430011.595112.70009/16-120.47200.49000.50840.51520.5625(0.5625-12)11.988812.446012.913413.086114.28755/8-110.52700.54600.56600.57320.6250(0.625-11)13.385813.868414.376414.559315.87503/4-100.64200.66300.68500.69270.7500(0.750-10)16.306816.840217.399017.594619.05007/8-90.75500.77800.80280.81100.8750(0.875-9)19.177019.761220.391120.599422.22501"-80.86500.89000.91880.92761.0000(1.000-8)21.971022.606023.337523.561025.4000

  底孔直径最小最大3.403.754.405.056.457.859.2010.6512.0513.4516.4019.3022.103.503.904.555.206.608.009.4010.9012.3013.7016.7019.6022.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  公称尺寸和每英寸牙数8-36(0.164-36)10-32(0.190-32)12-28(0.216-28)1/4-28(0.250-28)5/16-24(0.3175-24)3/8-24(0.375-24)7/16-20(0.4375-20)1/2-20(0.50-20)9/16-18(0.5625-18)5/8-18(0.625-18)3/4-16(0.750-16)7/8-14(0.875-14)1"-12(1.000-12)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)小径极限中径极限螺纹系列大径min代号最小最大最小最大0.13400.14200.14600.14960.16403.40363.60683.70843.79984.16560.15600.16400.16970.17360.19003.96244.16564.31044.40944.82600.17700.18600.19280.19700.21604.49584.72444.89715.00385.48640.21100.22000.22680.23110.25005.35945.58805.76075.86996.35000.26700.27700.28540.29020.31256.78187.03587.24927.37117.93750.33000.34000.34790.35280.37508.38208.63608.83678.96119.52500.38300.39500.40500.41040.4375UNF9.728210.033010.287010.424211.11250.44600.45700.46750.47310.500011.328411.607811.874512.016712.70000.50200.51500.52640.53230.562512.750813.081013.370613.520414.28750.56500.57800.58890.59490.625014.351014.681214.958115.110515.87500.68200.69600.70940.71590.750017.322817.678418.018818.183919.05000.79800.81400.82860.83560.875020.269220.675621.046421.224222.22500.91000.92800.94590.95351.000023.114023.571224.025924.218925.4000

  底孔直径最小最大3.454.004.555.406.858.459.8511.4012.8514.4517.4020.3523.903.674.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

篇十五:美制螺栓标准对照表

P>  螺纹规格美制英制公制螺纹规格美制英制公制螺纹规格美制英制公制美制细牙unf2a外螺纹大径unfun2b内螺纹小径ununf序号规格型号最大最小公差最小最大公差17162011

  -

  .

  螺纹规格-美制、英制、公制

  美制细牙UNF

  序号

  规格型号

  1

  7/16"-20

  2A外螺纹大径UNFUN

  最大

  最小

  公差

  11.07910.8740.206

  2B内螺纹小径(UN、UNF)

  最小

  最大

  公差

  9.72810.0330.305

  2

  1/2"-20

  12.66712.4610.20611.32811.6080.279

  3

  9/16"-18

  14.25214.0310.22112.75113.0810.330

  4

  3/4"-16

  19.01218.7730.23917.32317.6780.356

  5

  7/8"-14

  22.18421.9230.26220.26920.6760.406

  6

  11/16-12

  26.94426.6550.29024.68925.1460.457

  7

  15/16-12

  33.29433.0050.29031.03931.4960.457

  8

  15/8-12

  41.22940.9400.29038.98939.4460.457

  9

  17/8-12

  47.57947.2900.29045.33945.7960.457

  10

  21/2-12

  63.45263.1620.29061.21461.6710.457

  公制细牙

  6g外螺纹大径

  6H内螺纹小径

  1

  M10*1

  9.9749.7940.1808.917

  9.157

  0.240

  2

  M12*1.5

  11.96811.7320.23610.37610.6760.300

  3

  M14*1.5

  13.96813.7320.23612.37612.6760.300

  4

  M16*1.5

  15.96815.7320.23614.37614.6760.300

  5

  M18*1.5

  17.96817.7320.23616.37616.6760.300

  6

  M20*1.5

  19.96819.7320.23618.37618.6760.300

  7

  M22*1.5

  21.96821.7320.23620.37620.6760.300

  8

  M24*1.5

  23.96823.7320.23622.37622.6760.300

  -

  -.可修编-

  -

  .

  9

  M26*1.5

  25.96825.7320.23624.37624.6760.300

  10

  M27*1.5

  26.96826.7320.23625.37625.6760.300

  11

  M30*1.5

  29.96829.7320.23628.37628.6760.300

  12

  M27*2

  26.96226.6820.28024.83525.2100.375

  13

  M30*2

  29.96229.6820.28027.83528.2100.375

  14

  M33*2

  32.96232.6820.28030.83531.2100.375

  15

  M36*2

  35.96235.6820.28033.83534.2100.375

  16

  M42*2

  41.96241.6820.28039.83540.2100.375

  英制管螺纹

  1

  G1/8-28

  9.7289.5140.2148.566

  8.848

  0.282

  2

  G1/4-19

  13.15712.9070.25011.44511.8900.445

  3

  G3/8-19

  16.66216.4120.25014.95015.3950.445

  4

  G1/2-14

  20.95520.6710.28418.63119.1720.541

  5

  G3/4-14

  26.44126.1570.28424.11724.6580.541

  6

  G1-11

  33.24932.8890.36030.29130.9310.640

  7

  G11/4-11

  41.91041.5500.36038.95239.5920.640

  8

  G11/2-11

  47.80347.4430.36044.84545.4850.640

  公制/美制/英制螺纹对照表

  给大家分享一下A

  型美制螺纹(UNF)常用规格

  外螺纹

  内螺纹

  -4

  9/16"-19

  牙14.2813.08-611/16''-1617.4616.1-813/16''-1620.6419.28-101''-142

  5.4023.57-121(3/16)''-1230.0028.32-161(7/16)''-1236.5134.67-201(11/16)''-12

  42.86

  41.02C型JIC37度美制UNF螺纹常用规

  格-47/16”-2011.1110.03-51/2”-2012.7011.32-69/16”-1814.2813.08-8

  3/4”-1619.0017.68-107/8”-1422.2220.68-121(1/16)"-1226.9825.15-16

  1(5/16)"-1233.3331.5-201(5/8)"-1241.2839.44

  -241(7/8)"-1247.6245.8-322(1/2)"-1263.561.67英制圆柱管螺纹(BSPP)常用规

  -

  -.可修编-

  -

  .

  格-41/4”-1913.15711.55-63/8”-1916.66214.95-81/2”-1420.95518.63-

  123/4”-1426.44124.11-161”-1133.24930.29-201(1/4)''-1141.9138.95英

  制圆锥管螺纹(BSPT)常用规格

  基面大径

  基准距

  离1/4”-1913.15763/8”-1916.6626.41/2”-1420.9558.23/4”-1426.

  441

  9.5

  1”-11

  33.249

  10.41(1/4)''-11

  41.91

  12.7

  美制圆锥管螺纹

  (NPT)1/8”-2710.2441/4”-1813.6043/8”-1817.044.32

  -

  -.可修编-

  -

  .

  -

  -.可修编-

  -

  .

  -

  -.可修编-

  -

  .

  -

  -.可修编-

  -

  .

  -

  -.可修编-

  -

  .

  1/2”-1421.224.483/4”-1426.574.75

  -

  -.可修编-

  -

  .

  1”-11(1/2)”33.224.61(1/4)”-11.541.964.83

  -

  -.可修编-

篇十六:美制螺栓标准对照表

P>  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸螺纹系

  和每英寸牙

  数

  列代号

  大径极限最小最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-32

  10-24

  12-24

  1/4-20

  5/16-18

  3/8-16UNC

  7/16-14

  1/2-13

  9/16-12

  5/8-11

  3/4-10

  7/8-91"-8

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或、3/8-16UNC-2A(或(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  大径极限

  每英寸牙数列代号最小

  最大

  中径极限

  最小

  最大

  小径max

  螺胚直径最小最大

  8-36

  10-32

  12-28UNF

  1/4-28

  5/16-24

  3/8-24

  7/16-201/2-209/16-185/8-183/4-167/8-141"-12

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或、3/8-24UNF-2A(或

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每螺纹系

  小径极限

  中径极限

  英寸牙数列代号最小

  最大

  最小

  最大

  大径min

  底孔直径

  最小

  最大

  8-32

  10-24

  12-24

  1/4-20

  5/16-18

  3/8-16

  7/16-14

  UNC

  1/2-13

  9/16-12

  5/8-11

  3/4-10

  7/8-9

  1"-8

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或、3/8-16UNC-2B(或

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和螺纹系

  小径极限

  每英寸牙数列代号最小

  最大

  中径极限

  最小

  最大

  大径min

  底孔直径最小最大

  8-36

  10-32

  12-28

  1/4-28UNF

  5/16-24

  3/8-24

  7/16-20

  1/2-209/16-18

  5/8-183/4-167/8-141"-12

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或、3/8-24UNF-2B(或

篇十七:美制螺栓标准对照表

P>  美制管螺纹尺寸表[美制螺纹标准对照表]

  美制螺纹标准对照表

  每英寸牙数8-32(0.164-32)10-24(0.190-24)12-24(0.21624)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/811(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)

  UNC

  美制外螺纹(2A)常用规格极限尺寸附注(粗牙)

  大径极限最小0.15713.99030.18184.61770.20785.27810.24086.11630.30267.68600.36439.25320.425810.81530.487612.38500.549513.95730.611315.52700.735318.67660.859221.82370.983024.9682

  最大0.16314.14270.18904.80060.21505.46100.24896.32210.31137.90700.37379.49200.436111.07690.498512.66190.560914.24690.623415.83440.748219.00430.873122.17670.998025.3492

  中径极限最小0.13993.55350.15864.02840.18454.68630.21275.40260.27126.88850.32878.34900.38509.77900.443511.26490.501612.74060.558914.19610.677317.20340.794620.18280.910023.1140

  最大0.14283.62710.16194.11230.18794.77270.21645.49660.27526.99010.33318.46070.38979.89840.448511.39190.506812.87270.564414.33580.683217.35330.800920.34290.916823.2867

  代号

  小径max

  0.12483.16990.13793.50270.16394.16310.18764.76500.24316.17470.29707.54380.34858.85190.404110.26410.458711.65100.511913.00230.625515.88770.736818.71470.844621.4528

  最小3.584.074.725.456.948.409.8311.3412.8014.2717.2820.2723.22

  螺胚直径

  最大3.614.104.755.486.988.449.8711.3812.8414.3217.3320.3223.27

  公称尺寸和螺纹系列

  1.螺胚直径指滚丝前的尺寸,数值为依历练公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/816UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)为人所知规格极限尺寸表(细牙)

  大径极限

  中径极限

  小径max

  螺胚直径

  公称尺寸和每螺丝系列

  8-36(0.164-36)10-32(0.190-32)12-28(0.216-28)1/4-28(0.250-28)5/16-24(0.3175-24)3/8-24(0.375-24)7/16-20(0.4375-20)1/2-20(0.50-20)9/16-18(0.5625-18)5/8-18

  (0.625-18)3/4-16(0.750-16)7/8-14(0.875-14)1"-12(1.00012)

  0.15774.00560.18314.65070.20855.29590.24256.15950.30427.72670.36679.31420.428110.87370.490612.46120.552414.03100.614915.61850.739118.77310.863121.92270.986825.0647

  0.16324.14530.18914.80310.21505.46100.24906.32460.31147.90960.37399.49710.436211.07950.498712.66700.561114.25190.623615.83940.748519.01190.873422.18440.998225.3543

  0.14243.61700.16584.21130.18864.79040.22255.65150.28067.12720.34308.71220.399510.14730.461911.73230.520513.22070.582814.80310.702917.85370.821620.86860.938223.8303

  0.14523.68810.16884.28750.19184.87170.22585.73530.28437.22120.34688.80870.403710.25400.466211.84150.525013.33500.587514.92250.707917.98070.827021.00580.944123.9801

  0.12913.27910.15083.83030.17124.34850.20525.21210.26036.61160.32288.19910.37499.52250.437411.11000.492912.51970.555414.10720.671817.06370.785819.95930.896022.7584

  3.654.244.825.697.178.7510.1911.7813.2714.8517.9120.9323.90

  3.674.274.855.717.208.7810.2311.8213.3114.8917.9520.9723.95

  UNF

  1.螺细胞器直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  英寸牙数8-32(0.164-32)美制内螺纹(2B)常用规格极限尺寸表(粗牙)小径极限最小0.13003.3020最大0.13903.5306中径极限最小0.14373.6500最大0.14753.7465代号UNC大径min0.16404.1656最小3.40底孔直径最大3.50公称尺寸和每螺纹系列(0.190-24)12-24(0.216-24)1/4-20(0.250-20)5/16-18(0.3175-18)3/8-16(0.375-16)7/16-14(0.4375-14)1/2-13(0.50-13)9/16-12(0.5625-12)5/8-11(0.625-11)3/4-10(0.750-10)7/8-9(0.875-9)1"-8(1.000-8)3.68300.17104.34340.19604.97840.25206.40080.30707.79780.36009.14400.417010.59180.472011.98880.527013.38580.642016.30680.755019.17700.865021.9710

  3.96240.18104.59740.20705.25780.26506.73100.32108.15340.37609.55040.434011.02360.490012.44600.546013.86840.663016.84020.778019.76120.890022.6060

  4.13770.18894.79810.21755.52450.27647.02060.33448.49380.39119.93390.450011.43000.508412.91340.566014.37640.685017.39900.802820.39110.918823.3375

  4.24690.19334.90980.22245.64900.28177.15520.34018.63850.397210.08890.456511.59510.515213.08610.573214.55930.692717.59460.811020.59940.927623.5610

  4.82600.21605.48640.25006.35000.31257.93750.37509.52500.437511.11250.500012.70000.562514.28750.625015.87500.750019.05000.875022.22501.000025.4000

  3.754.405.056.457.859.2010.6512.0513.4516.4019.3022.10

  3.904.555.206.608.009.4010.9012.3013.7016.7019.6022.40

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  英寸牙数8-36(0.164-36)10-32(0.190-32)12-28

  UNF

  美制内螺纹(2B)常用技术标准极限尺寸表(细牙)

  小径极限最小0.13403.40360.15603.96240.1770

  最大0.14203.60680.16404.16560.1860

  中径极限最小0.14603.70840.16974.31040.1928

  最大0.14963.79980.17364.40940.1970

  代号

  大径min

  0.16404.16560.19004.8260

  最小3.454.00

  底孔直径

  最大3.674.274.85

  公称尺寸和每滚轮系列

  0.21604.55

  (0.216-28)4.49584.72444.89715.00385.48641/4-280.21100.22000.22680.23110.2500(0.250-28)5.35945.58805.76075.86996.35005.405/16-240.26700.27700.28540.29020.3125(0.3175-24)6.78187.03587.24927.37117.93756.853/8-240.33000.34000.34790.35280.3750(0.375-24)8.38208.63608.83678.96119.52508.457/16-200.38300.39500.40500.41040.4375(0.4375-20)9.728210.033010.287010.424211.11259.851/2-200.44600.45700.46750.47310.5000(0.5020)11.328411.607811.874512.016712.700011.409/16-180.50200.51500.52640.53230.5625(0.5625-18)12.750813.081013.370613.520414.287512.855/8-180.56500.57800.58890.59490.6250(0.625-18)14.351014.681214.958115.110515.875014.453/4-160.68200.69600.70940.71590.7500(0.750-16)17.322817.678418.018818.183919.050017.407/8-140.79800.81400.82860.83560.8750(0.875-14)20.269220.675621.046421.224222.225020.351"-120.91000.92800.94590.95351.0000(1.000-12)23.1140

  23.571224.025924.218925.400023.901.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或0.190-32UNF2B)、3/8-24UNF-2B(或0.375-24UNF-2B)5.717.208.7810.2311.8213.3114.8917.9520.9723.95

篇十八:美制螺栓标准对照表

P>  如下是美制螺纹标准详细的对照表:

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙数

  螺纹系列代号

  大径极限

  最小

  最大

  中径极限

  螺胚直径

  最小

  最大

  小径max最小

  最大

  8-32

  0.15710.16310.13990.1428

  (0.164-32)10-24

  UNC

  3.99030.1818

  4.14270.189

  3.55350.1586

  3.62710.1619

  (0.190-24)

  4.61774.80064.02844.1123

  0.12483.1699

  3.58

  0.13793.5027

  4.07

  3.614.1

  12-24(0.216-24)

  1/4-20(0.250-20)

  5/16-18(0.3175-18)

  3/8-16(0.375-16)

  7/16-14(0.4375-14)

  1/2-13

  0.20785.2781

  0.2150.18450.18795.4614.68634.7727

  0.16394.1631

  4.72

  4.75

  0.24080.24890.21270.21646.11636.32215.40265.4966

  0.18764.765

  5.45

  5.48

  0.30260.31130.27120.27527.6867.9076.88856.9901

  0.24316.1747

  6.94

  6.98

  0.36430.37370.32870.33319.25329.4928.3498.4607

  0.2978.4

  7.5438

  8.44

  0.42580.436110.815311.0769

  0.3850.38979.7799.8984

  0.34858.8519

  9.83

  9.87

  0.48760.49850.44350.44850.404111.34

  11.38

  (0.50-13)9/16-12(0.5625-12)

  5/8-11(0.625-11)

  3/4-10(0.750-10)

  7/8-9(0.875-9)

  1"-8(1.000-8)

  12.38512.661911.264911.391910.2641

  0.54950.56090.50160.506813.957314.246912.740612.8727

  0.458711.651

  12.8

  12.84

  0.61130.62340.55890.564415.52715.834414.196114.3358

  0.511914.27

  13.0023

  14.32

  0.73530.74820.67730.683218.676619.004317.203417.3533

  0.625517.28

  15.8877

  17.33

  0.85920.87310.79460.800921.823722.176720.182820.3429

  0.736820.27

  18.7147

  20.32

  0.9830.99824.968225.3492

  0.910.916823.11423.2867

  0.844623.22

  21.4528

  23.27

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)

  (注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺寸和每螺纹

  大径极限

  中径极限

  小径max

  螺胚直径

  英寸牙数

  系列代号

  最小

  最大

  最小

  最大

  最小

  8-36(0.164-36)

  0.15770.16320.14240.14524.00564.14533.6173.6881

  0.12913.2791

  3.65

  10-32(0.190-32)

  0.18310.18910.16580.16884.65074.80314.21134.2875

  0.15083.8303

  4.24

  12-28

  UNF0.2085

  (0.216-28)

  5.2959

  0.2150.18860.19185.4614.79044.8717

  0.17124.3485

  4.82

  1/4-28(0.250-28)

  0.24250.2490.22250.22586.15956.32465.65155.7353

  0.20525.2121

  5.69

  5/16-24

  0.30420.31140.28060.28430.26037.17

  最大3.674.274.855.717.2

  (0.3175-24)3/8-24

  (0.375-24)7/16-20

  (0.4375-20)1/2-20

  (0.50-20)9/16-18(0.5625-18)

  5/8-18(0.625-18)

  7.72677.90967.12727.22126.6116

  0.36670.37390.3430.34689.31429.49718.71228.8087

  0.32288.1991

  8.75

  8.78

  0.42810.43620.39950.403710.873711.079510.147310.254

  0.374910.19

  9.5225

  10.23

  0.49060.49870.46190.466212.461212.66711.732311.8415

  0.437411.78

  11.11

  11.82

  0.55240.56110.520514.03114.251913.2207

  0.52513.335

  0.492913.27

  12.5197

  13.31

  0.61490.62360.58280.587515.618515.839414.803114.9225

  0.555414.85

  14.1072

  14.89

  3/4-16(0.750-16)

  7/8-14(0.875-14)

  1"-12(1.000-12)

  0.73910.74850.70290.707918.773119.011917.853717.9807

  0.671817.91

  17.0637

  17.95

  0.86310.87340.82160.82721.922722.184420.868621.0058

  0.785820.93

  19.9593

  20.97

  0.98680.99820.93820.944125.064725.354323.830323.9801

  0.89622.7584

  23.9

  23.95

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或0.190-32UNF-2A)、3/8-24UNF-2A(或0.375-24UNF-2A)

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙数

  螺纹系列代号

  小径极限

  最小

  最大

  中径极限

  底孔直径

  最小

  最大

  大径min最小

  最大

  8-32(0.164-32)

  0.130.1390.14370.1475

  0.164

  3.4

  3.5

  3.3023.5306

  3.653.74654.1656

  10-24

  0.1450.1560.16290.1672

  0.19

  3.75

  3.9

  (0.190-24)UNC3.6833.96244.13774.2469

  4.826

  12-24(0.216-24)

  0.1710.1810.18890.19334.34344.59744.79814.9098

  0.2164.4

  5.4864

  4.55

  1/4-20

  0.1960.2070.21750.2224

  0.255.05

  5.2

  (0.250-20)5/16-18

  (0.3175-18)3/8-16

  (0.375-16)7/16-14

  (0.4375-14)1/2-13

  (0.50-13)9/16-12(0.5625-12)

  4.97845.25785.52455.649

  6.35

  0.2526.4008

  0.2650.27640.28176.7317.02067.1552

  0.31257.9375

  6.45

  0.3070.3210.33440.34017.79788.15348.49388.6385

  0.3759.525

  7.85

  0.360.3760.39110.39720.43759.2

  9.1449.55049.933910.088911.1125

  0.4170.434

  0.450.4565

  10.591811.023611.4311.5951

  0.510.65

  12.7

  0.47211.9888

  0.490.50840.515212.44612.913413.0861

  0.562512.05

  14.2875

  6.689.410.912.3

  5/8-11(0.625-11)

  3/4-10(0.750-10)

  7/8-9(0.875-9)

  1"-8(1.000-8)

  0.5270.5460.5660.573213.385813.868414.376414.5593

  0.62513.45

  15.875

  0.6420.6630.6850.692716.306816.840217.39917.5946

  0.7519.05

  16.4

  0.7550.7780.80280.81119.17719.761220.391120.5994

  0.87522.225

  19.3

  0.865

  0.890.91880.9276

  21.97122.60623.337523.561

  122.1

  25.4

  13.716.719.622.4

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-24UNC-2B(或0.190-24UNC-2B)、3/8-16UNC-2B(或0.375-16UNC-2B)

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺寸和每英寸牙数

  螺纹系列代号

  小径极限

  最小

  最大

  中径极限

  底孔直径

  最小

  最大

  大径min最小

  最大

  8-36

  UNF0.1340.1420.1460.1496

  0.1643.45

  3.67

  (0.164-36)10-32

  (0.190-32)12-28

  (0.216-28)1/4-28

  (0.250-28)5/16-24

  (0.3175-24)3/8-24

  (0.375-24)

  3.40363.60683.70843.79984.1656

  0.1560.1640.16970.17363.96244.16564.31044.4094

  0.194

  4.826

  0.1770.1860.19280.1974.49584.72444.89715.0038

  0.2165.4864

  4.55

  0.211

  0.220.22680.2311

  5.35945.5885.76075.8699

  0.255.4

  6.35

  0.2670.2770.28540.29026.78187.03587.24927.3711

  0.31257.9375

  6.85

  0.33

  0.340.34790.3528

  8.3828.6368.83678.9611

  0.3759.525

  8.45

  4.274.855.717.28.78

  7/16-20(0.4375-20)

  1/2-20(0.50-20)9/16-18(0.5625-18)

  5/8-18(0.625-18)

  3/4-16(0.750-16)

  7/8-14

  0.3839.7282

  0.39510.033

  0.4050.410410.28710.4242

  0.437511.1125

  9.85

  10.23

  0.4460.4570.46750.473111.328411.607811.874512.0167

  0.511.4

  12.7

  11.82

  0.50212.7508

  0.5150.52640.532313.08113.370613.5204

  0.562512.85

  14.2875

  13.31

  0.5650.5780.58890.594914.35114.681214.958115.1105

  0.62514.45

  15.875

  14.89

  0.6820.6960.70940.715917.322817.678418.018818.1839

  0.7519.05

  17.4

  17.95

  0.7980.8140.82860.8356

  0.87520.35

  20.97

  (0.875-14)1"-12

  (1.000-12)

  20.269220.675621.046421.224222.225

  0.910.9280.94590.953523.11423.571224.025924.2189

  123.9

  25.4

  23.95

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。2.标记示例:10-32UNF-2B(或0.190-32UNF-2B)、3/8-24UNF-2B(或0.375-24UNF-2B)

篇十九:美制螺栓标准对照表

P>  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称

  大径极限

  螺纹

  尺寸和

  系列

  每英寸

  最小最大

  代号

  牙数

  中径极限

  螺胚直径

  小径ma

  最小最大x最小最大

  8-32(0.164

  0.

  0.16

  0.1420.12

  1

  0.1399

  31

  8

  483.3.6

  571

  581

  3.94.143.553.623.169

  -32)

  903273571

  9

  10-24(0.190-

  UNC24)

  0.180.18

  0.161

  0.1586

  1890

  9

  4.64.80064.02844.1123

  177

  0.1

  379

  4.1

  4.07

  3.5

  0

  027

  12-24

  (0.216-24)

  0.

  0.18

  20.2150

  0.18790.1639

  45

  4.74.7

  078

  25

  5.27

  4.684.74.16

  5.4610

  81

  6372731

  1/4-20

  0.0.2

  0.216

  5.5.4

  0.2127

  0.1876

  24489

  4

  458

  ...内容来自网络...

  (0.250-20)5/16-18

  (0.3175-18)

  3/8-16

  (0.37516)7/

  16-14(0.4375-14)

  1/2-13

  (0.5013)

  9/16-

  08

  6.116.325.4025.494.76

  6321

  66650

  0.3

  0.2

  0.243

  0.3113

  0.2752

  026

  712

  1

  6.946.98

  7.67.9076.8

  6.17

  6.9901

  860

  0885

  47

  0.360.37

  0.3330.2

  0.3287

  4337

  19708.

  8.44

  9.259.492

  8.4607.54340

  8.3490

  320

  7

  8

  0.420.430.380.3890.3

  586150

  7

  10.811.0769.7799.8

  4859.839.87

  8.8

  1539

  0984519

  0.40.49

  0.448

  0.4435

  0.4041

  87685

  5

  11.11.

  1

  12.3

  11.2611.310.2643438

  2.661

  850

  49919

  1

  9

  0.0.5600.50.500.4511

  ...内容来自网络...

  12

  (0.5625-1

  2)5/8-11

  (0.625-11)

  3/4-10(0.750-10)

  7/8-9

  (0.875-9)

  1"-8

  549

  901668872.2.84

  5

  80

  1112.74012.8711.6

  3.954.2627510

  73469

  0.60.6230.5580.5640.5

  1134

  9

  4119

  1

  14.2

  1

  4.3

  15.515.8314.19614.3

  7

  3.002

  2

  27044

  1358

  3

  0.73

  0.6770.60.62

  0.7482

  1

  53

  38325517.2

  7.3

  18.619.00417.2017.3515.888

  3

  766

  33433

  77

  0.

  0.873

  0.800

  859

  0.7946

  1

  9

  2

  0.7

  36820.2

  1270.3221.22.1720.120.34

  8.71482376782829

  7

  0.0.990.91

  0.84423.22

  0.9168

  98000

  623.

  ...内容来自网络...

  (1.000-8)

  830

  27

  2

  25.323.11423.221.45

  4.96

  4920867

  28

  82

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或0.190-24UNC-2A)、3/8-16UNC-2A(或0.375-16UNC-2A)(注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺

  大径极限

  螺纹

  寸和每

  系列

  英寸牙

  最小最大

  代号

  数

  中径极限最小最大

  螺胚直径小径max最小最大

  8-36

  UNF(0.1

  64-36)

  0.10.163

  0.129

  0.14240.1452

  5772

  1

  3.653.67

  4.00

  3.63.683.279

  4.1453

  56

  17081

  1

  ...内容来自网络...

  10-32

  (0.190-32)

  12-28(0.216-28)

  1/428

  (0.250-28)

  5/1624(0.3175-24)3/8-24(0.375-24)

  0.10.1890.10.160.150

  8311658884.6

  4.28504.80314.2113

  757

  8

  4.2

  4.24

  3.83

  7

  03

  0.2

  0.180.190.171

  0.2150

  085

  8618

  24.84.8

  5.295.464.790

  4.325

  4.8717

  5910

  4

  485

  0.20.220.2

  420.249025258

  5

  0.20

  525.695.71

  6.16.35.6

  5.2

  5.7353

  595246515

  121

  0.30.310.280.280.260

  042140643

  37.17.2

  7.727.9097.127

  6.670

  7.2212

  6762

  116

  0.360.370.3430.3460.322

  67390

  8

  8

  8.7

  8.75

  9.319.498.78.8088.19

  8

  42711227

  91

  ...内容来自网络...

  7/16-20(0.4375-2

  0)1/2-20

  (0.5020)

  9/16-18

  (0.5625-18)5/8-18

  (0.625-18)

  3/4-16

  0.42

  0.390.4030.374

  0.4362

  81

  957

  9

  10.110.2

  10.

  1

  1

  10.

  9.52293

  871.079

  0.254

  1473

  5

  375

  0

  0.490.498

  0.4660.4

  0.4619

  067

  2374

  111.8

  1

  12.611.7311.811.111.782

篇二十:美制螺栓标准对照表

P>  美制螺纹标准对照表

  美制外螺纹(2A)常用规格极限尺寸表(粗牙)

  公称尺寸

  螺

  和每英寸牙纹系列

  数

  代号

  大径极限

  最

  最大

  小

  中径极限

  最小

  最大

  小径max

  8-32

  螺胚直径

  最

  最

  小

  大

  10-24

  12-24

  1/4-20

  5/1618

  3/8-16

  7/16-

  14

  UNC

  1/2-13

  9/16-12

  5/8-11

  3/4-10

  7/8-9

  1"-8

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-24UNC-2A(或、3/8-16UNC-2A(或

  (注:表中上行斜体数值单位为英寸,下行为毫米)

  美制外螺纹(2A)常用规格极限尺寸表(细牙)

  公称尺

  螺

  寸和每英寸纹系列

  牙数

  代号

  大径极限

  最

  小

  最大

  中径极限

  最小

  最大

  小径max

  8-36

  螺胚直径

  最

  最

  小

  大

  10-32

  12-28

  1/4-28

  5/1624

  3/8-24

  7/1620

  UNF

  1/2-20

  9/16-18

  5/8-18

  3/4-16

  7/8-14

  1"-12

  1.螺胚直径指滚丝前的尺寸,数值为依经验公式计算而得,在实践中需验证。2.标记示例:10-32UNF-2A(或、3/8-24UNF-2A(或

  美制内螺纹(2B)常用规格极限尺寸表(粗牙)

  公称尺寸和每英寸牙数

  螺纹系列代

  号

  小径极限

  最小

  最大

  中径极限

  最小

  最大

  8-32

  10-24

  12-24

  1/4-20

  5/16-18

  3/8-16

  7/16-14UNC

  1/2-13

  9/16-12

  5/8-11

  3/4-10

  7/8-9

  1"-8

  大径min

  底孔直径

  最小

  最大

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。

  2.标记示例:10-24UNC-2B(或、3/8-16UNC-2B(或

  美制内螺纹(2B)常用规格极限尺寸表(细牙)

  公称尺

  螺

  寸和每英寸纹系列

  牙数

  代号

  小径极限最

  最大小

  中径极限

  最小

  最大

  大径min

  8-36

  底孔直径

  最

  最

  小

  大

  10-32

  12-28

  1/4-28

  5/1624

  3/8-24

  UNF

  7/1620

  1/2-20

  9/16-18

  5/8-18

  3/4-16

  7/8-141"-12

  1.底孔直径指攻丝前钻孔直径,铸铁、黄铜等较软料取小值,钢、青铜等较硬料取大值。

  2.标记示例:10-32UNF-2B(或、3/8-24UNF-2B(或

  精心搜集整理,只为你的需要

推荐访问:美制螺栓标准对照表 美制 螺栓 对照表

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