最全的螺纹孔径对照表_精品文档表格文件下载.xls

最全的螺纹孔径对照表_精品文档表格文件下载.xls

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螺螺纹纹攻攻牙牙钻钻孔孔径径和和滚滚造造径径对对照照表表公公制制粗粗螺螺纹纹公公制制细细螺螺纹纹公公制制迫迫牙牙丝丝攻攻钻钻孔孔径径英英制制平平行行管管用用螺螺紋紋PF（G）PF（G）（單單位位：

@#@mm）mm）规格标准径2级牙钻孔径规格标准径2级牙钻孔径规格精度等级最大最小最大最小G4-G6G7-G8G9M1.0*0.250.750.7850.729M12*1.011.0011.15310.917M1.0*0.250.860.88规格大径钻孔径M1.1*0.250.850.8850.829M12*0.511.5011.52011.400M1.1*0.250.960.98最大最小M1.2*0.250.950.9850.929M14*1.512.5012.67612.376M1.2*0.251.061.08G1/167.726.846.56M1.4*0.31.101.1421.075M14*1.013.0013.15312.917M1.4*0.31.241.25G（PF）1/89.738.858.57M1.6*0.351.251.3211.221M15*1.513.5013.67613.376M1.6*0.351.411.431/413.1611.8911.45M1.7*0.351.351.4211.321M15*1.014.0014.15313.917M1.7*0.351.511.533/816.6615.4014.95M1.8*0.351.451.5211.421M16*1.514.5014.67614.376M1.8*0.351.611.631/220.9619.1718.63M2.0*0.41.601.6791.567M16*1.015.0015.15314.917M2*0.41.781.805/822.9121.1320.59M2.2*0.451.751.8381.713M17*1.515.5015.67615.376M2.2*0.451.951.983/426.4424.6624.12M2.3*0.41.901.9791.867M17*1.016.0016.15315.917M2.3*0.42.082.107/830.2028.4227.88M2.5*0.452.102.1382.013M18*2.016.0016.21015.835M2.5*0.452.252.28133.2530.9330.29M2.6*0.452.202.2382.113M18*1.516.5016.67616.376M2.6*0.452.352.381.12537.9035.5834.94M3.0*0.52.502.5992.459M18*1.017.0017.15316.917M3.0*0.52.732.751.2541.9139.5938.95M3.0*0.62.402.4402.280M20*2.018.0018.21017.835M3.5*0.63.173.201.37544.3242.0141.37M3.5*0.62.903.0102.850M20*1.518.5018.67618.376M4.0*0.73.623.653.691.547.8049.0245.49M4.0*0.73.303.4223.242M20*1.019.0019.15318.917M5.0*0.84.564.604.641.62551.9150.7949.67M4.0*0.753.253.3263.106M22*2.020.0020.21019.835M6.0*1.05.455.505.551.7553.7556.6651.43M4.5*0.753.803.8783.688M22*1.520.5020.67620.376M7.0*1.06.456.506.55259.6157.30M5.0*0.84.204.3344.134M22*1.021.0021.15320.917M8.0*1.257.317.387.44M5.0*0.94.104.1703.930M24*2.022.0022.21021.835M10*1.59.189.259.32M6.0*1.05.005.1534.917M24*1.522.5022.67622.376M10*1.259.319.389.44英英制制管管螺螺纹纹M7.0*1.06.006.1535.917M24*1.023.0023.15322.917M12*1.7511.0411.1211.21M8.0*1.256.806.9126.647M25*2.023.0023.21022.835M12*1.2511.3111.3811.44规格标准径钻孔径M9.0*1.257.807.9127.647M25*1.523.5023.67623.376注：

@#@迫牙丝攻之钻孔径，在上表所列之数值，由于被加工材料之材质、硬度、形状、尺寸等之影响，多少会有所变动，因此于参考上表之同时，亦请增减若干。

@#@最大最小M10*1.58.508.6768.376M25*1.024.0024.15323.917PS1/16-286.506.6326.490M11*1.59.509.6769.376M26*1.524.5024.67624.376PS1/8-288.508.6378.495M12*1.7510.3010.44110.106M27*2.025.0025.21024.835PS1/4-1911.4011.54911.341M14*2.012.0012.21011.835M27*1.525.5025.67625.376PS3/8-1915.0015.05414.846M16*2.014.0014.21013.835M27*1.026.0026.15325.917PS1/2-1418.5018.77318.489M18*2.515.5015.74415.294M28*2.026.0026.21025.835美美制制粗粗螺螺纹纹PS3/4-1424.0024.25923.975M20*2.517.5017.74417.294M28*1.526.5026.67626.376PS1-1130.2030.47130.111M22*2.519.5019.74419.294M28*1.027.0027.15326.917规格标准径2级牙钻孔径PS1-1/4-1138.8039.13238.772M24*3.021.0021.25220.752M30*3.027.0027.25226.752（UNC）最大最小PS1-1/2-1144.8045.02544.665M27*3.024.0024.25223.752M30*2.028.0028.21027.835（螺丝牙外径）PS2-1156.5056.83656.476M30*3.526.5026.77126.211M30*1.528.5028.67628.376No.1-64（1.854）1.551.5821.425M30*1.029.0029.15328.917No.2-56（2.184）1.801.8711.695M32*2.030.0030.21029.835No.3-48（2.515）2.102.1461.941公公制制细细螺螺纹纹M32*1.530.5030.67630.376No.4-40（2.845）2.302.3852.157英英制制管管螺螺纹纹M33*3.030.0030.25229.752No.5-40（3.175）2.602.6972.487规格标准径2级牙钻孔径M33*2.031.0031.21030.835No.6-32（3.505）2.802.8952.642规格标准径有效牙部之长度（最小）中之母螺牙内径标准长度（最小）中之母螺牙内径最大最小M33*1.531.5031.67631.376No.8-32（4.166）3.403.5303.302使用绞刀时不用绞刀时M1.0*0.20.800.8210.783M35*1.533.5033.67633.376No.10-24（4.826）3.903.9623.683M1.1*0.20.900.9210.883M36*3.033.0033.25232.752No.12-24（5.486）4.504.5974.344PT1/16-286.106.206.2446.384M1.2*0.21.001.0210.983M36*2.034.0034.21033.8351/4-205.105.2574.979PT1/8-288.108.208.4298.388M1.4*0.21.201.2211.183M36*1.534.5034.67634.3765/16-186.606.7316.401PT1/4-1910.7011.0010.96211.174M1.6*0.21.401.4211.3833/8-168.008.1537.798PT3/8-1914.2014.5014.44814.658M1.7*0.21.451.5001.4607/16-149.409.5509.144PT1/2-1417.6018.0017.97918.263M1.8*0.21.601.6211.583美美制制细细螺螺纹纹1/2-1310.8011.02310.592PT3/4-1423.0023.5023.37823.663M2.0*0.251.751.7851.7299/16-1212.2012.44611.989PT1-1129.0029.5029.45929.822M2.2*0.251.951.9851.929规格标准径2级牙钻孔径5/8-1113.6012.86813.386PT1-1/4-1137.5038.0037.97638.339M2.3*0.252.052.0612.001（UNF）最大最小3/4-1016.5018.84016.307PT1-1/2-1143.4044.0043.86944.232M2.5*0.352.202.2212.121（螺丝牙外径）7/8-919.5019.76119.177PT2-1154.9055.5055.41255.844M2.6*0.352.202.2462.186No.0-80（1.524）1.251.3051.1821-822.2022.60621.971M3.0*0.352.702.7212.621No.1-72（1.854）1.551.6121.4741-1/8-725.0025.34924.638M3.5*0.353.203.2213.121No.2-64（2.184）1.851.9121.7561-1/4-728.2028.52427.813美美制制管管螺螺纹纹M4.0*0.53.503.5993.459No.3-56（2.515）2.102.1972.0251-3/8-630.8031.11530.353M4.5*0.54.004.0993.959No.4-48（2.845）2.402.4582.2711-1/2-634.0034.29033.528规格钻孔径M5.0*0.54.504.5994.459No.5-44（3.175）2.702.7402.5511-3/4-539.5039.82738.964NPTNPSM5.5*0.55.005.0994.959No.6-40（3.505）2.903.0222.8202-4-1/245.2045.59344.679使用绞刀时不用绞刀时M6.0*0.755.305.3785.188No.8-36（4.166）3.503.6063.4041/16-276.106.256.35M6.0*0.55.505.5505.400No.10-3