螺纹攻牙底孔对照表

范文一：螺纹攻牙底孔对照表

螺纹攻牙底孔对照表公制粗螺纹公制细螺纹

规格标准径2级牙钻孔径

最大最小规格标准径2级牙钻孔径

最大最小

M1.0*0.250.750.7850.729M12*1.011.0011.15310.917

M1.1*0.250.850.8850.829M12*0.511.5011.52011.400

M1.2*0.250.950.9850.929M14*1.512.5012.67612.376

M1.4*0.31.101.1421.075M14*1.013.0013.15312.917

M1.6*0.351.251.3211.221M15*1.513.5013.67613.376

M1.7*0.351.351.4211.321M15*1.014.0014.15313.917

M1.8*0.351.451.5211.421M16*1.514.5014.67614.376

M2*0.41.601.6791.567M16*1.015.0015.15314.917

M2.2*0.451.751.8381.713M17*1.515.5015.67615.376

M2.3*0.41.901.9791.867M17*1.016.0016.15315.917

M2.5*0.452.102.1382.013M18*2.016.0016.21015.835

M2.6*0.452.202.2382.113M18*1.516.5016.67616.376

M3*0.52.502.5992.459M3.5*0.62.903.0102.850M20*2.018.0018.21017.835

M4*0.73.303.4223.242M20*1.518.5018.67618.376

M4.5*0.753.803.8783.688M20*1.019.0019.15318.917

M5*0.84.204.3344.134M22*2.020.0020.21019.835

M6*1.05.005.1534.917M22*1.520.5020.67620.376

M7*1.06.006.1535.917M22*1.021.0021.15320.917

M8*1.256.806.9126.647M24*2.022.0022.21021.835

M9*1.257.807.9127.647M24*1.522.5022.67622.376

M10*1.58.508.6768.376M24*1.023.0023.15322.917

M11*1.59.509.6769.376M25*2.023.0023.21022.835

M12*1.7510.3010.44110.106M25*1.523.5023.67623.376

M14*2.012.0012.21011.835M25*1.024.0024.15323.917

M16*2.014.0014.21013.835M26*1.524.5024.67624.376

M18*2.515.5015.74415.294M27*2.025.0025.21024.835

M20*2.517.5017.74417.294M27*1.525.5025.67625.376

M22*2.519.5019.74419.294M27*1.026.0026.15325.917

M24*3.021.0021.25220.752M28*2.026.0026.21025.835

M27*3.024.0024.25223.752M28*1.526.5026.67626.376

M30*3.526.5026.77126.211M28*1.027.0027.15326.917

M33*3.529.5029.77129.211M30*3.027.0027.25226.752

M36*4.032.0032.27031.670M30*2.028.0028.21027.835

M39*4.035.0035.27034.670M30*1.528.5028.67628.376

M30*1.029.0029.15328.917

公制细螺纹M32*2.030.0030.21029.835

规格标准径2级牙钻孔径M32*1.530.5030.67630.376

最大最小M33*3.030.0030.25229.752

M1.0*0.20.800.8210.783M33*2.031.0031.21030.835

M1.1*0.20.900.9210.883M33*1.531.5031.67631.376

M1.2*0.21.001.0210.983M35*1.533.5033.67633.376

M1.4*0.21.201.2211.183M36*3.033.0033.25232.752

M1.6*0.21.401.4211.383M36*2.034.0034.21033.835

M1.7*0.21.451.5001.460M36*1.534.5034.67634.376

M1.8*0.21.601.6211.583

M2.0*0.251.751.7851.729美制细螺纹

M2.2*0.251.951.9851.929规格2级牙钻孔径

M2.3*0.352.052.0612.001(UNF)标准径最大最小

M2.5*0.352.202.2212.121No.0-80(1.524)1.251.3051.182

M2.6*0.352.202.2462.186No.1-72(1.854)1.551.6121.474

M3.0*0.352.702.7212.621No.2-64(2.184)1.851.9121.756

M3.5*0.353.503.5993.459No.3-56(2.515)2.102.1972.025

M4.5*0.54.004.0993.959No.4-48(2.845)2.402.4582.271

M5.0*0.54.504.5994.459No.5-44(3.175)2.702.7402.551

M5.5*0.55.005.0994.959No.6-40(3.505)2.903.0222.820

M6.0*0.55.505.5505.400No.8-36(4.166)3.503.6063.404

M6.0*0.755.305.3785.188No.10-32(4.826)4.104.1653.963

M7.0*0.56.506.5506.400No.12-28(5.486)4.604.7244.496

M7.0*0.756.306.3786.1881/4-285.505.5885.360

M8.0*0.57.507.5207.4005/16-246.907.0356.782

M8.0*0.757.307.3787.1883/8-248.508.6368.382

M8.0*1.07.007.1536.9177/16-209.9010.0339.729

M9.0*0.758.308.3788.1881/2-2011.5011.60711.329

M9.0*1.08.008.1537.9179/16-1812.9013.08112.751

M10*0.59.509.5209.4005/8-1814.5014.68114.351

M10*0.759.309.3789.1883/4-1617.5017.67817.323

M10*1.09.009.1538.9177/8-1420.5020.67520.270

M10*1.258.808.9128.6471-1223.3023.57123.114

M11*1.010.0010.1539.9171-1/8-1226.5026.74626.289

M11*0.7510.3010.37810.1881-1/4-1229.6029.92129.464

M12*1.510.5010.67610.3761-3/8-1232.8033.09632.639

M12*1.2510.8010.91210.6471-1/2-1236.0036.27135.814美制迫牙丝攻钻孔径公制迫牙丝攻钻孔径英制管螺纹规格精度最大最小规格精度最大最小PS 规格(新规格Rp) 标准径最大最小1-64UNC G51.761.68M1.00.25G40.920.891/16-286.56.6326.4902-56G42.041.96M1.20.25G41.111.091/8-288.58.6378.4953-48G42.352.25M1.40.30G41.301.261/4-1911.411.54911.3414-40G52.642.54M1.60.35G41.471.433/8-1914.915.05414.8465-40G52.972.87M1.70.35G41.571.521/2-1418.618.77318.4896-32G53.223.11M1.80.35G41.671.623/4-1424.024.25923.9758-32G63.893.78M2.00.40G41.841.791-1130.230.47230.11010-24G64.444.30M2.20.45G52.041.9811/4-1138.839.13338.77112-24G65.074.96M2.30.40G42.142.0911/2-1144.745.02644.6641/4〞-20G75.865.73M2.50.45G52.342.272-1156.556.83756.4755/16〞-18G77.387.23M2.60.45G52.442.373/8〞-16G78.898.72M3.00.50G52.822.75針車用螺纹1/2〞-13G811.9211.70M4.00.70G63.723.65规格标准径最大最小0-80UNF G51.451.39M5.00.80G64.674.59SM1/16 -801.251.2811.2111-72G51.771.70M6.01.00G75.595.49SM5/64 -641.551.5931.5132-64G42.061.98M7.01.00G76.596.48SM3/32 -561.91.9361.8413-56G42.372.29M8.01.25G77.497.36SM3/32-1002.12.1562.0814-48G52.682.59M101.5G79.349.22SM1/8 -322.3(2.393)(2.233)5-44G52.992.90M101.25G79.499.35SM1/8 -402.52.5512.4216-40G53.293.19M121.75G811.2311.09SM1/8 -442.52.6052.4858-36G53.913.81M121.25G911.5011.36SM1/8 -482.62.6572.54710-32G64.534.44SM9/64 -322.7(2.790)(2.630)12-28G65.135.03美制管螺纹SM9/64 -402.92.9482.8181/4〞-28G76.005.91钻孔径SM11/64-323.53.5843.4245/16〞-24G77.537.42规格NPT NPS SM11/64-403.73.7423.6123/8〞-24G79.108.99使用铰刀时不使用铰刀时SM3/16 -243.63.6583.4987/16〞-20G810.6210.481/16-275.946.156.35SM3/16 -283.83.8443.6841/2〞-20G812.2012.061/8-278.338.438.74SM3/16 -323.93.9803.8201/4-1810.7211.1311.13SM3/16 -404.054.1384.008美制特细螺纹3/8-1814.2714.2714.68SM7/32-324.74.7744.614规格2级牙钻孔径1/2-1417.4817.8618.26SM15/64-285.05.0554.875(UNEF)标准径最大最小3/4-1422.6323.0123.42SM1/4-245.25.2665.086No.12-324.704.8264.8231-11-1/228.5828.9829.36SM1/4-285.45.4525.2721/4-325.605.6895.4871-1/4-11-1/237.3137.6938.10SM1/4-405.65.7265.5965/16-327.107.2647.0871-1/2-11-1/243.2643.6644.45SM9/32-205.75.8245.6343/8-328.708.8648.6622-11-1/255.1755.5856.36SM9/32-286.26.2566.0667/16-2810.2010.33710.135SM5/16-186.36.4446.2541/2-2811.8011.93811.710SM5/16-246.86.8646.6749/16-2413.2013.38511.132SM5/16-286.97.0506.8605/8-2414.8014.96814.732SM11/32-287.77.8437.6533/4-2017.8017.95717.679PT 规格標准徑有效牙部之長標准長度(最度(最小) 中之小) 中之母螺牙SM3/8-187.98.0537.8437/8-2021.0021.13220.854(新规格Rc) 使用铰刀时不使用铰刀时母螺牙內徑內徑SM3/8-288.58.6378.4471-2024.0024.30724.0291-16-286.16.26.2446.384SM7/16-169.39.4409.2201/8-288.18.28.2498.388SM7/16-2810.110.22410.034美制粗螺纹1/4-1910.711.010.96211.174SM1/2-1210.310.42010.180规格标准径2级牙钻孔径3/8-1914.214.514.44814.658SM1/2-2011.311.41011.190(UNC)最大最小1/2-1417.618.017.97918.263SM1/2-2811.711.81211.622No.1-64(1.854)1.551.5821.4253/4-1423.023.523.37823.663SM9/16-2012.913.01812.778No.2-56(2.184)1.801.8711.6951-1129.029.529.45929.822No.3-48(2.515)2.102.1461.9411 1/4-1137.538.037.97638.339英制螺纹No.4-40(2.845)2.302.3852.1571 1/2-1143.444.043.86944.232钻孔径No.5-40(3.175)2.602.6972.4872-1154.955.555.41255.844规格硬材软材No.6-32(3.505)2.802.8952.642W1/8-402.652.60No.8-32(4.166)3.403.5303.302PF 规格No.10-24(4.826)3.903.9623.683(新规格G) 标准径最大最小W5/32-323.253.20W3/16-243.753.70No.12-24(5.486)4.504.5974.3441/16-286.76.8436.561W1/4-205.105.001/4-205.105.2574.9791/8-288.78.8488.566W5/16-186.606.505/16-186.606.7316.4011/4-1911.711.89011.445W3/8-168.007.903/8-168.008.1537.7983/8-1915.215.39514.950W7/16-149.409.307/16-149.409.5509.1441/2-1419.019.17218.631W1/2-1210.7010.501/2-1310.9011.02310.5925/8-1421.021.12820.587W9/16-1212.3012.009/16-1212.2012.44611.9893/4-1424.524.65824.117W5/8-1113.7013.505/8-1113.6013.86813.3867/8-1428.228.41827.877W3/4-1016.7016.503/4-1016.6016.84016.3071-1130.630.93130.291W7/8-919.5019.307/8-919.6019.76119.17711/8-1135.235.57934.939W1-822.4022.001-822.3022.60621.97111/4-1139.239.59238.952W1-1/8-725.0024.801-1/8-725.0025.34924.63811/2-1145.045.48544.845W1-1/4-728.3028.001-1/4-728.2028.52427.81313/4-1151.051.42850.7881-3/8-630.8031.11530.3532-1157.057.29656.6561-1/2-634.0034.29033.5281-3/4-539.5039.82738.9642-4-1/245.2045.59344.679

范文二：英制螺纹底孔对照表

英制螺纹底孔对照表

切削丝锥

钻头直径Min Max

1#-64UNCΦ1.551.431.582#-56UNCΦ1.81.691.873#-48UNCΦ2.11.942.154#-40UNCΦ2.32.162.396#-32UNCΦ2.82.642.908#-32UNCΦ3.43.303.5310#-24UNCΦ3.93.683.9612#-24UNCΦ4.54.344.591/4"-20UNCΦ5.14.985.265/16"-18UNCΦ6.66.406.733/8"-16UNCΦ87.808.157/16"-14UNCΦ9.49.149.551/2"-13UNCΦ10.810.5911.209/16"-12UNCΦ12.211.9912.455/8"-11UNCΦ13.613.3913.873/4"-10UNCΦ16.516.3116.847/8"-9UNCΦ19.519.1819.761"-8UNC Φ22.221.9722.61粗牙螺纹

切削丝锥

钻头直径Min Max

1#-72UNFΦ1.61.471.612#-64UNFΦ1.91.751.913#-56UNFΦ2.12.022.194#-48UNFΦ2.42.272.466#-40UNFΦ32.823.018#-36UNFΦ3.53.43.610#-32UNFΦ4.13.964.1812#-28UNFΦ4.74.54.721/4"-28UNFΦ5.55.365.6

75/16"-24UNFΦ6.96.78

3/8"-24UNFΦ8.58.388.63

107/16"-20UNFΦ9.99.73

1/2"-20UNFΦ11.511.311.69/16"-18UNFΦ12.912.7135/8"-18UNFΦ14.514.314.683/4"-16UNFΦ17.517.317.687/8"-14UNFΦ20.420.2720.671"-12UNF Φ23.323.123.57细牙螺纹

切削丝锥

钻头直径Min Max

1/8"-27NPTΦ8.48.48.71/4"-18NPTΦ11.111.111.43/8"-18NPTΦ14.314.314.81/2"-14NPTΦ17.917.918.33/4"-14NPTΦ232323.71"-11.5NPT Φ292929.71-14"-11.5NPT Φ37.737.738.41-1/2"-11.5NPTΦ444444.52"-11.5NPT Φ565656.6圆管螺纹RC1/8"-28Φ8.38.38.5RC1/4"-19Φ11.111.111.35RC3/8"-19Φ14.514.514.85RC1/2"-14Φ18.118.118.5RC3/4"-14Φ23.523.524RC1"-11Φ29.7529.730.15RC1-1/4"-11Φ38.238.238.8RC1-1/2"-11Φ444444.7锥管螺纹

说明:如7/8"-9UNC指的是外径为7/8英寸, 在一英寸距离内螺纹牙数为9牙(螺距为25.4/9=2.822)的粗牙螺纹,

其中UNF 指的是细牙螺纹,NPT 指的是管螺纹. 以上基本包括所有的英制螺纹., 请参考

范文三：攻牙对照表

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攻丝前钻底孔用钻头直径计算公式作者:hande2008 提交日期:2009-8-8 10:19:00 | 分类:

| 访问量:1269

攻公制螺纹时的公式

t<1mm时:>

d,=d -t

t>1mm时:

d,= d - (1.04 ,1.06) t

式中 t : 螺距(毫米);d,:攻丝前钻头直径(毫米);

d: 螺纹公称直径(毫米)。

公制螺纹钻底孔用钻头直径尺寸表

公称直径螺距钻头直径

1 粗 0.25 0.75

细 0.2 0.8

2 粗 0.4 1.6

细 0.25 1.75

3 粗 0.5 2.5

细 0.35 2.65

4 粗 0.7 3.3

细 0.5 3.5

5 粗 0.8 4.2

细 0.5 4.5

6 cu 1 5

xi 0.75 5.2

8 cu 1.25 6.7

xi 0.75 7.2

细 1 7

10 粗 1.5 8.5

细 1.25 8.7

1 9

0.75 9.2

12 粗 1.75 10.2

细 1.5 10.5

1.25 10.7

1 11

14 粗 2 11.9

细 1.5 12.5

1.25 12.7

1 13

16 粗 2 13.9 (13.8 ; 14也行)

细 1.5 14.5

1 15

18 粗 2.5 (螺距) 15.4 (钻头直径)

细 2 15.9

1.5 16.5

1 17

20 粗 2.5 (螺距) 17.4 (钻头直径)

细 2 17.9

1.5 18.5

1 19

22 粗 2.5 (螺距) 19.4 (钻头直径 )(19.3 ;19.5 都行)

细 2 19.9

1.5 20.5

1 21

24 粗 3 (螺距 ) 20.9 (钻头直径)

细 2 21.9

1.5 22

1 23

27 粗 3 ( 螺距) 23.9 (钻头直径) 24 (也行)

细 2 24.9

1.5 25.5

1 26 30 粗 3.5 (螺距) 26.3 (钻头直径) ;( 26.4 也行 )

细 3 26.9

2 27.9

1.5 28.5

1 29

范文四：螺纹攻牙对照表

******本表依据二级牙制订

规格

最大最小最大最小 G1-G6G7-G8

G1-G6

G7-G8

硬材

软材

M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.88.. 1.94.. .. W1/8 - 402.652.60M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.98.. 2.23.. .. W5/32 - 323.253.20M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0.251.061.08.. 2.50.. .. W3/16 - 243.753.70M1.4*0.31.101.1421.075M14*1.013.0013.15312.917M1.4*0.31.241.25.. 2.83.. .. W1/4 - 205.105.00M1.6*0.351.251.3211.221M15*1.513.5013.67613.376M1.6*0.351.411.43.. 3.07.. .. W5/16 - 186.606.50M1.7*0.351.351.4211.321M15*1.014.0014.15313.917M1.7*0.351.511.53.. 3.733.77.. W3/8 - 168.007.90M1.8*0.351.451.5211.421M16*1.514.5014.67614.376M1.8*0.351.611.63.. 4.244.30.. W7/16 - 149.409.30M2.0*0.41.601.6791.567M16*1.015.0015.15314.917M2.0*0.41.781.80.. 4.904.96.. W1/2 - 1210.7010.50M2.2*0.451.751.8381.713M17*1.515.5015.67615.376M2.2*0.451.951.98.. .. 5.72.. W9/16 - 1212.3012.00M2.3*0.41.901.9791.867M17*1.016.0016.15315.917M2.3*0.42.082.10.. .. 7.24.. W5/8 - 1113.7013.50M2.5*0.452.102.1382.013M18*2.016.0016.21015.835M2.5*0.452.252.28.. .. 8.748.81W3/4 - 1016.7016.50M2.6*0.452.202.2382.113M18*1.516.5016.67516.376M2.6*0.452.352.38.. .. 10.2010.30W7/8 - 919.5019.30M3.0*0.52.502.5992.459M18*1.017.0017.15316.917M3.0*0.52.732.75.. .. 11.2711.82W1 - 822.4022.00M3.0*0.62.402.4402.280M20*2.018.0018.21017.835M3.5*0.63.173.20.. 1.97.. .. W1-1/8 -725.0024.80M3.5*0.62.903.0102.850M20*1.518.5018.67618.376M4.0*0.73.623.653.692.27.. .. W1-1/4 -7

28.30

28.00

M4.0*0.73.303.4223.242M20*1.019.0019.15318.917M5.0*0.84.564.604.642.56.. .. M4.0*0.753.253.3263.106M22*2.020.0020.21019.835M6.0*1.05.455.505.552.86.. .. M4.5*0.753.803.8783.688M22*1.520.5020.67620.376M7.0*1.06.456.506.553.16.. .. M5.0*0.84.204.3344.134M22*1.021.0021.15320.917M8.0*1.257.317.387.443.78.. .. M5.0*0.94.104.1703.930M24*2.022.0022.21021.835M10*1.59.189.259.324.394.43.. M6.0*1.05.005.1534.917M24*1.522.5022.67623.376M10*1.259.319.389.444.995.04.. M7.0*1.06.006.1535.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.215.855.90.. 规格

M8.0*1.256.806.9126.647M25*2.023.0023.21022.835M12*1.25

11.31

11.38

11.44

7.367.41.. SM1/8 - 40M9.0*1.257.807.9127.647M25*1.523.5022.67623.376.. 9.00.. SM1/8 - 44M10*1.58.508.6768.375M25*1.024.0024.15323.917.. 10.4810.54SM9/64 - 40M11*1.59.509.6769.376M26*1.524.5024.67624.376..

12.07

12.13

SM11/64 - 40M12*1.7510.3010.44110.106M27*2.025.0025.21024.835SM3/16 - 32M14*2.012.0012.21011.835M27*1.525.5025.67625.376SM3/16 - 28M16*2.014.0014.21013.835M27*1.026.0026.15325.917SM7/22 - ?M18*2.515.5015.74415.294M28*2.026.0026.21025.835最大

最小

SM15/64 - 28M20*2.517.5017.74417.294M28*1.526.5026.67626.376NO. 1 - 64(1.854)1.551.5821.452最大

最小

SM1/4 - 40M22*2.519.5019.74419.294M28*1.027.0027.15326.917NO. 2 - 56(2.184)1.801.8711.6956.506.6326.490SM1/4 - 28M24*3.021.0021.25220.752M30*3.027.0027.25226.752NO. 3 - 48(2.515)2.102.1461.9418.508.6378.495SM9/32 - 28M27*3.0

24.00

24.252

23.752

M30*2.0

28.00

28.210

27.835

NO .4 - 40(2.845)

2.30

2.385

2.157

11.40

11.549

11.341

SM11/32 - 28 螺纹攻牙钻孔径和滚造径对照表.

针车用螺纹

滚造径

2.735-2.6882.769-2.722规格

标准径

规格

PS 1/4 - 19

精度等级

美制迫牙丝攻钻孔径

规格

英制管螺纹

钻孔径 1/4 - 20NO.12-24NO.10-24NO. 8-32NO. 6-32NO. 2-56UNCNO. 3-48NO. 4-40NO. 5-40NO. 3-56 NO. 2-64UNF

1/2 - 135.890-5.7355.721-5.3667/16 - 143/8 - 165/16 - 18NO.12-29NO.10-32NO. 8-36NO. 6-40NO. 5-44NO. 4-48规格 5/16 - 246.508-6.6488.092-8.432

PS 1/8 - 281/2 - 20

7/16 - 203/8 - 24规格

1/4 - 28标准径

美制粗螺纹

规格(UNC ) 二级牙钻孔径标准径

PS 1/16 - 28?

5.325-5.5703.128-3.0833.855-3.8054.205-4.155

4.143-4.093

钻孔径公制粗螺纹

二级牙钻孔径公制细螺纹

二级牙钻孔径

公制迫牙丝攻钻孔径

精度等级

英制螺纹

标准径

M30*3.526.5026.77126.211M30*1.528.5028.67628.376NO .5 - 40(3.175)2.602.6972.48715.0015.05414.846SM3/8 - 28M30*1.029.0029.15328.917NO .6 - 32(3.505)2.802.8952.64218.5018.77318.489SM7/16 - 28M32*2.030.0030.21029.835NO. 8 - 32(4.166)3.403.5303.30224.0024.25923.975SM7/16 - 16最大

最小

M32*1.530.5030.67630.376NO.10 - 24(4.826)3.903.9623.68330.2030.47130.111SM1/2 - 20M1.0*0.20.800.8210.783M33*3.030.0030.25229.752NO.12 - 24(5.486)4.504.5974.34438.8039.13238.772SM9/16 - 20M1.1*0.20.900.9210.883M33*2.031.0031.21030.8351/4 - 205.105.2574.97944.8045.02544.665M1.2*0.21.001.0210.983M33*1.531.5031.67631.3765/16 - 186.606.7316.40156.50

56.836

56.476

M1.4*0.21.201.2211.183M35*1.533.5033.67633.3763/8 - 168.008.1537.798M1.6*0.21.401.4211.383M36*3.033.0033.25232.7527/16 - 149.409.5509.144M1.7*0.21.451.5001.460M36*2.034.0034.21033.8351/2 - 1310.8011.02310.592M1.8*0.21.601.6211.583M36*1.5

34.50

34.676

34.376

9/16 - 1212.2012.44611.989规格

M2.0*0.251.751.7851.7295/8 - 1113.6012.86811.386最大

最小

M2.2*0.251.951.9851.9293/4 - 1016.5018.84016.307PT1/16 - 286.106.206.2446.384规格

M2.3*0.252.052.0612.0017/8 - 919.5019.76119.177PT1/8 - 288.108.208.2498.388M3 * 0.5M2.5*0.352.202.2212.121最大

最小

1 -822.2022.60621.971PT1/4 - 1910.7011.0010.96211.174M3.0 * 0.6M2.6*0.352.202.2462.1861.251.3051.1821 -1/8 - 725.0025.34924.638PT3/8 - 1914.2014.5014.44814.658M3.5 * 0.6M3.0*0.352.702.7212.6211.551.6121.4741 -1/4 - 28.2028.52427.813PT1/2 - 1417.6018.0017.97918.263M4.0 * 0.7M3.5*0.353.203.2213.1211.851.9121.7561 -3/8 - 30.8031.11530.353PT3/4 - 1423.0023.5023.37823.663M4.0 * 0.75M4.0*0.53.503.5993.4592.102.1972.0251 -1/2 - 634.0034.29033.528PT1 - 1129.0029.5029.45929.822M4.5 * 0.75M4.5*0.54.004.0993.9592.402.4582.2711 -3/4 - 539.5039.82738.964PT1-1/4 - 1137.5038.0037.97638.339M5.0 * 0.8M5.0*0.54.504.5994.4592.702.7402.5512-4-1/2

45.20

45.593

44.679

PT1-1/2 -1143.4044.0043.86944.232M5.0 * 0.9M5.5*0.55.005.0994.9592.903.0222.820PT2 - 11

54.90

55.500

55.412

55.844

M6.0 * 1.0M6.0*0.755.305.3785.1883.503.6063.404M7.0 * 1.0M6.0*0.55.505.5505.4004.104.1653.963M8.0 * 1.0M7.0*0.756.306.3786.1884.604.7244.496M8.0 * 1.25

M7.0*0.56.506.5506.4001/4 - 285.505.5882.360M8.0*1.07.007.1536.9175/16 - 245.907.0355.782标准径

M8.0*0.757.307.3787.4883/8 - 248.508.6368.382最大

最小

M8.0*0.57.507.5207.4007/16 - 209.9010.0339.729NO. 12 -324.704.8254.623?

M9.0*1.08.008.1537.9171/2 - 2011.5011.60711.3291/4 - 325.605.6905.4866.106.256.35M9.0*0.758.308.3788.1883/16 - 1812.9013.08112.7515/16 - 327.107.2647.0878.338.438.74M10*1.258.808.9128.6475/8 - 1814.5014.68114.3513/8 - 328.708.8658.66110.7211.1311.13M10*1.09.009.1538.9173/4 - 1617.5017.67817.3237/16 - 2810.2010.33810.13514.2714.2714.68M10*0.759.309.3789.1887/8 - 1420.5020.67520.2701/2 - 2811.8011.93811.70917.4817.8618.25规格

M10*0.59.508.5209.4001 -1223.2023.57123.1149/16 - 2413.2013.38613.13222.6323.0123.4228A M11*1.010.0010.1539.9171-1/8 - 1226.5026.74626.2895/8 - 2414.8014.98614.73228.5828.9829.3638A M11*0.7510.3010.37810.1881-1/4 - 1229.5029.92129.4643/4 - 2017.8017.95817.67837.3137.6938.1048A M12*1.510.5010.67610.3751-3/8 - 1232.8033.09632.6397/8 - 2021.0021.13320.85343.6644.0444.4558A M12*1.25

10.80

10.912

10.647

1-1/2 - 12

36.00

36.271

35.814

1 - 20

24.00

24.308

24.028

55.58

55.96

56.36

68A

2 - 11-1/2

英制管螺纹

规格

钻孔径

NPT

1-1/2 - 11-1/213.400-13.425

标准径

二级牙钻孔径 1 - 11-1/21-1/4 - 11-1/23/4 - 141/2 - 141/16 - 271/8 - 271/4 - 183/8 - 18美制细螺纹

英制管螺纹

标准径 ?

NPS

PS 1 - 118.880-8.015二级牙钻孔径美制特细螺纹

规格 (UNEF )

2.4 - 2.5

滚造径

3.96 - 3.9210.466-10.4017.12-7.07

7.28 - 7.236.30 - 6.255.30- 6.254.36 - 4.34 4.43 - 4.383.45 - 3.413.06 - 3.033.49 - 3.452.7 - 2.8? 英制电器螺纹

钻孔径

4.0 - 4.23.0 - 3.22.63 - 2.60UNF 公制螺纹

10.037-9.957公制细螺纹

规格

标准径

二级牙钻孔径 11.319-11.7492.56 - 2.53PS 1-1/4 -11PS1-1/2 - 11PS2 - 11

PS 3/8 - 19PS 1/2 - 14PS 3/4 - 14

范文五：攻丝底孔对照表

MARYLAND METRICS Technical Data Chart:

A collection of Tapping drill sizes for tapsin a multilingual format

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

Metrisches ISO Regelgewinde / Metric ISO thread / Filetage métrique ISO standard / Filettatura metrica ISO / Rosca Métrica ISO

Metrisches ISO Feingewinde / Metric ISO Fine thread / Filetage métrique ?n ISO /Filettatura metrica ISO ?ne / Rosca Métrica ISO Fina

* 5H max

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

Metrisches ISO Feingewinde / Metric ISO Fine thread / Filetage métrique ?n ISO /

Filettatura metrica ISO ?ne / Rosca Métrica ISO Fina

UNC

Uni?ed Coarse Gewinde / Uni?ed Coarse thread / Filetage Uni?ed Coarse Filettatura grossa uni?cata / Rosca Uni?cada Gruesap

UNF

Uni?ed Fine Gewinde /Uni?ed Fine thread / Filetage Uni?ed FineFilettatura ?ne uni?cata / Rosca Uni?cada Fina

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

UNF

Uni?ed Fine Gewinde /Uni?ed Fine thread / Filetage Uni?ed FineFilettatura ?ne uni?cata / Rosca Uni?cada Fina

EG UNC (STI)

Uni?ed Coarse Gewinde für Gewindeeins?tze aus Draht / Uni?ed Coarse thread for screw thread inserts / Filetage Uni?ed Coarse / Filettatura grossa uni?cata per inserti ?lettati / Rosca Uni?cada Gruesa para montaje de insertos

UNEF

Uni?ed Extra Fine Gewinde /Uni?ed Extra Fine thread / Filetage Uni?ed Extra-?neFilettatura extra ?ne uni?cata / Rosca Uni?cada Extra Fina

EG UNF (STI)

Uni?ed Fine Gewinde für Gewindeeins?tze aus Draht / Uni?ed Fine thread for screw thread inserts / Filetage Uni?ed Fine / Filettatura ?na uni?cata per inserti ?lettatiRosca Uni?cada Fina para montaje de insertos

Uni?ed Coarse Gewinde (8 Gang Reihe) / Uni?ed Coarse thread (8 thread series) / Filetage Uni?ed Coarse (8 ?lets) / Filettatura grossa uni?cata (serie di 8 ?letti) / Rosca Uni?cada Gruesa (series 8 hilos)

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

EG M

Metrisches ISO Regelgewinde für Gewindeeins?tze aus Draht / Metric ISO thread for screw thread inserts / Filetage métrique ISO standard / Filettatura metrica ISO per inserti ?lettati / Rosca Métrica ISO para montaje de insertosG

Rohrgewinde / British Standard pipe thread / Filetage tube / Filettatura Whitworth a Gas cilindrica / Rosca para tubos, Norma Británica

EG MF

Metrisches ISO Feingewinde für Gewindeeins?tze aus Draht / Metric ISO Fine thread for screw thread inserts / Filetage métrique ISO ?n / Filettatura metrica ISO ?ne per inserti ?lettati / Rosca Métrica ISO ?na para montaje de insertosRp

Whitworth Rohrgewinde / Whitworth Standard parallel internal pipe thread / Filetage Whitworth pour tubes / Filettatura Whitworth / Rosca cilíndrica interna para tubos, norma Whitworth

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

BSW

British Standard Whitworth-Gewinde / British Standard Whitworth thread / Filetage British Standard Whitworth / Filettatura Whitworth standard inglese / Rosca Whitworth Norma BritánicaBSF

British Standard Fine Gewinde / British Standard Fine thread / Filetage British Standard Fine / Filettatura ?ne standard inglese / Rosca Fina, Norma Británica

Luft- und Raumfahrt / Aerospace / Industrie aéronautique / Aeronautica e Aerospaziale / aero-espacial* 5H max

Stahlpanzer Rohrgewinde DIN 40 430 / Steel conduit thread DIN 40 430 / Filetage pour raccords de tubes éléctriques DIN 40 430 / Filettatura tubo corazzato / Rosca para tubos blindados DIN 40 430

Data source additional MJ siz es: FERG

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

UNJC

Uni?ed Coarse Gewinde (modi?ziert) / Uni?ed Coarse thread (modi?ed) / Filetage Uni?ed Coarse (modi?é) / Filettatura grossa uni?cata (modi?cata) / Rosca Uni?cada Gruesa (modi?cada)BA

British Association Standard Gewinde / British Association Standard thread Filetage standard British Association / Filettatura associazione British standard Rosca estándar British Association

NPSM

Amerikanisches zylindrisches Rohrgewinde / American standard straight pipe thread

Filetage standard américain pour tubes cylindriques / Filettatura cilindrica americana / Rosca americana para tuboUNJF

Uni?ed Fine Gewinde (modi?ziert) / Uni?ed Fine thread (modi?ed) / Filetage Uni?ed Fine (modi?é) / Filettatura ?ne uni?cata (modi?cata) / Rosca Uni?cada Fina (modi?cada)

W zyl / par / cyl / cil / cilínd.

Zylindrisches Whitworth Gewinde / Whitworth Gas cylinder thread / Filetage

Whitworth, cylindrique / Filettatura Whitworth, ?letto cilindrico / Rosca Whitworth

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

Metrisches ISO Trapez Gewinde

Metric ISO trapezoidal thread / Filetage métrique ISO trapéziodal

NPT

Amerikanisches kegeliges Rohrgewinde, Kegel 1:16 / American standard pipe taper thread, taper 1:16 / Filetage standard américain conicité 1:16 pour tube conique avec per?age cylindrique / Filettatura conica americana, conicità 1:16 / Rosca cónica para tubo norma americana, conicidad 1:16

www.sizhuiwhy.com

Gewindekernl?cher für Gewindebohrer

Tapping drill sizes for taps / Avant-trous de taraudage

Prefori per maschi / Dimensiones de la broca previa para machos

NPTF

Rc = PT

Kegeliges Rohrgewinde, Kegel 1:16 / British Standard taper pipe thread, taper 1:16 / Filetage pour tubes coniques, conicité 1:16 / Filettatura Whitworth, ?letto conico interno, conicità 1:16 / Rosca cónica para tubo norma británica, conicidad 1:16

W keg / tap / con / cón

Kegeliges Whitworth-Gewinde, Kegel 3:25 / Whitworth Gas cylinder thread, taper 3:25 / Filetage Whitworth conique, conicité 3:25 / Filettatura Whitworth, ?letto conico, conicità 3:25 / Rosca Whitworth cónica botellas de gas

www.sizhuiwhy.com

Gewindekernl?cher für Gewindeformer

Tapping drill sizes for Internal thread formers / Avant-trous de tarauds travaillant par déformation / Prefori per maschi rullatori / Dimensiones de la broca previa

para machos laminadores

Metrisches ISO Regelgewinde / Metric ISO thread

Filetage métrique ISO standard / Filettatura metrica ISO / Rosca Métrica ISOMF

Metrisches ISO Feingewinde / Metric ISO Fine thread

Filetage métrique ?n ISO / Filettatura metrica ISO ?ne Rosca Métrica ISO Fina

www.sizhuiwhy.com

Gewindekernl?cher für Gewindeformer

Tapping drill sizes for Internal thread formers / Avant-trous de tarauds travaillant par déformation / Prefori per maschi rullatori / Dimensiones de la broca previa para machos laminadores

UNC

Uni?ed Coarse Gewinde / Uni?ed Coarse thread Filetage Uni?ed Coarse / Filettatura grossa uni?cata Rosca Uni?cada Gruesa

UNF

Uni?ed Fine Gewinde /Uni?ed Fine thread / Filetage Uni?ed Fine / Filettatura ?ne uni?cata / Rosca Uni?cada Fina

UNEF

Uni?ed Extra Fine Gewinde /Uni?ed Extra Fine thread Filetage Uni?ed Extra-?ne / Filettatura extra ?ne uni?cata / Rosca Uni?cada Extra Fina

BSW

British Standard Whitworth-Gewinde / British

Standard Whitworth thread / Filetage British Standard Whitworth / Filettatura Whitworth standard inglese Rosca Whitworth Norma Británica

EG M

Metrisches ISO Regelgewinde für Gewindeeins?tze aus Draht / Metric ISO thread for screw thread inserts Filetage métrique ISO standard / Filettatura metrica ISO per inserti ?lettati / Rosca Métrica ISO para montaje de insertos

Rohrgewinde DIN ISO 228-1 / British Standard pipe thread DIN ISO 228-1/ Filetage tube DIN ISO 228-1 Filettatura Whitworth a Gas cilindrica, DIN ISO 228-1 Rosca para tubos DIN ISO 228-1, Norma Británica

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