螺纹攻牙底孔对照表.pdf

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1、螺纹攻牙底孔对照表公制粗螺纹公制细螺纹美制迫牙丝攻钻孔径公制迫牙丝攻钻孔径英制管螺纹2级牙钻孔径2级牙钻孔径PS规格规格标准径规格标准径规格精度最大最小规格精度最大最小标准径最大最小最大最小最大最小(新规格Rp)M1.0*0.250.750.7850.729M12*1.011.0011.15310.9171-64UNCG51.761.68M1.00.25G40.920.891/16-286.56.6326.490M1.1*0.250.850.8850.829M12*0.511.5011.52011.4002-56G

2、42.041.96M1.20.25G41.111.091/8-288.58.6378.495M1.2*0.250.950.9850.929M14*1.512.5012.67612.3763-48G42.352.25M1.40.30G41.301.261/4-1911.411.54911.341M1.4*0.31.101.1421.075M14*1.013.0013.15312.9174-40G52.642.54M1.60.35G41.471.433/8-1914.915.05414.846M1.6*0.351.25

3、1.3211.221M15*1.513.5013.67613.3765-40G52.972.87M1.70.35G41.571.521/2-1418.618.77318.489M1.7*0.351.351.4211.321M15*1.014.0014.15313.9176-32G53.223.11M1.80.35G41.671.623/4-1424.024.25923.975M1.8*0.351.451.5211.421M16*1.514.5014.67614.3768-32G63.893.78M2.00.40G4

4、1.841.791-1130.230.47230.110M2*0.41.601.6791.567M16*1.015.0015.15314.91710-24G64.444.30M2.20.45G52.041.9811/4-1138.839.13338.771M2.2*0.451.751.8381.713M17*1.515.5015.67615.37612-24G65.074.96M2.30.40G42.142.0911/2-1144.745.02644.664M2.3*0.41.901.9791.867M17*1.0

5、16.0016.15315.9171/4〞-20G75.865.73M2.50.45G52.342.272-1156.556.83756.475M2.5*0.452.102.1382.013M18*2.016.0016.21015.8355/16〞-18G77.387.23M2.60.45G52.442.37M2.6*0.452.202.2382.113M18*1.516.5016.67616.3763/8〞-16G78.898.72M3.00.50G52.822.75針車用螺纹M3*0.52.502.5992.4

6、59M18*1.017.0017.15316.9177/16〞-14G810.4010.02M3.50.60G53.273.19规格标准径最大最小M3.5*0.62.903.0102.850M20*2.018.0018.21017.8351/2〞-13G811.9211.70M4.00.70G63.723.65M4*0.73.303.4223.242M20*1.518.5018.67618.3760-80UNFG51.451.39M5.00.80G64.674.59SM1/16-801.251.2811.211M4

7、.5*0.753.803.8783.688M20*1.019.0019.15318.9171-72G51.771.70M6.01.00G75.595.49SM5/64-641.551.5931.513M5*0.84.204.3344.134M22*2.020.0020.21019.8352-64G42.061.98M7.01.00G76.596.48SM3/32-561.91.9361.841M6*1.05.005.1534.917M22*1.520.5020.67620.3763-56G42.372.29M8.0

8、1.25G77.497.36SM3/32-1002.12.1562.081M7*1.06.006.1535.917M22*1.021.0021.15320.9174-48G52.682.59M101.5G79.349.22SM1/8-322.3(2.393)(2.233)M8*1.256.806.9126.647M24*2.022.0022.21021.83