丝径对照表
小鱼游游游儿歌-营养食谱
2023年2月15日发(作者：路侧石)螺丝攻牙钻孔径和滚丝径对照
表
螺丝攻牙钻孔径和滚丝径对照表
公制粗螺纹美制粗螺纹
规格标准径2级牙钻孔径规格（UNC）标准
径2级牙钻孔径
最大最小最大最小
M1.0×0.250.750.7850.729
NO.1-64(1.854)1.551.5821.425
M1.1×0.250.850.8850.829
NO.2-56(2.184)1.801.8711.695
M1.2×0.250.950.9850.985
NO.3-48(2.515)2.102.1461.941
M1.4×0.31.101.1421.075
NO.4-40(2.845)2.302.3852.157
M1.6×0.351.251.3211.221
NO.5-40(3.175)2.602.6972.487
M1.7×0.351.351.4211.321
NO.6-32(3.505)2.802.8952.642
M1.8×0.351.451.5211.421
NO8-32(4.166)3.403.533.302
M2.0×0.41.601.6791.567
NO.10-24(4.826)3.903.9623.683
M2.2×0.451.751.8381.713
NO.12-24(5.486)4.504.5974.344
M2.3×0.41.901.9791.8671/4-205.10
5.2574.979
M2.5×0.452.102.1382.0135/16-186.60
6.7316.401
M2.6×0.452.202.2382.1133/8-168.00
8.1537.798
M3.0×0.52.502.5992.4597/16-149.40
9.559.144
M3.0×0.62.402.4402.2801/2-1310.80
11.02310.592
M3.5×0.62.903.0102.8509/16-1212.20
12.44611.989
M4.0×0.73.303.4223.2425/8-1113.60
12.86813.386
M4.0×0.753.253.3263.1063/4-1016.50
18.84016.307
M4.5×0.753.803.8783.6887/8-919.50
19.76119.177
M5.0×0.84.204.3344.134122.20
22.60621.971
M5.0×0.94.104.1703.9301-1/8-725.00
25.34924.638
M6.0×1.05.005.1534.9171-1/4-728.20
28.52427.813
M7.0×1.06.006.1535.9171-3/8-630.80
31.11530.353
M8.0×1.256.806.9126.6471-1/2-6
34.0034.29033.528
M9.0×1.257.807.9127.6471-3/4-5
39.5039.82738.964
M10×1.58.508.6768.3762-4-1/245.20
45.59344.679
M11×1.59.509.6769.376
M12×1.7510.3010.44110.106
M14×2.012.0012.21011.835
M16×2.014.0014.21013.835
M18×2.515.5015.74415.294
M20×2.517.5017.74417.294
M22×2.519.5019.74419.294
M24×3.021.0021.25220.752
M27×3.024.0024.25223.752
M30×3.526.5026.77126.211
螺丝攻牙钻孔径和滚丝径对照表
公制细螺纹美制细螺纹
规格标准径2级牙钻孔径规格（UNC）标准
径2级牙钻孔径
最大最小最大最小
M1.0×0.20.800.8210.783NO.0-80(1.524)
1.251.3051.182
M1.1×0.20.900.9210.883NO.1-72(1.854)
1.551.6121.474
M1.2×0.21.001.0210.983NO.2-64(2.184)
1.851.9121.756
M1.4×0.21.201.2211.183NO.3-56(2.515)
2.102.1972.025
M1.6×0.21.401.4211.383NO.4-48(2.845)
2.402.4582.271
M1.7×0.21.451.5001.460
NO.5-44(3.175)2.702.7402.551
M1.8×0.21.601.6211.583
NO.6-40(3.505)2.903.0222.820
M2.0×0.251.751.7851.729
NO.8-36(4.166)3.503.6063.404
M2.2×0.251.951.9851.929
NO.10-32(4.826)4.104.1653.963
M2.3×0.252.052.0612.001
NO.12-28(5.846)4.604.7244.496
M2.5×0.352.202.2212.1211/4-285.50
5.5885.360
M2.6×0.352.202.2462.1865/16-246.90
7.0356.782
M3.0×0.352.702.7212.6213/8-248.50
8.6368.382
M3.5×0.353.203.2213.1217/16-209.90
10.0339.729
M4.0×0.53.503.5993.4591/2-2011.50
11.60711.329
M4.5×0.54.004.0993.9599/16-1812.90
13.08112.751
M5.0×0.54.504.5994.4595/8-1814.50
14.68114.351
M5.5×0.55.005.0994.9593/4-1617.50
17.67817.323
M6.0×0.755.305.3785.1887/8-1420.50
20.67520.270
M6.0×0.55.505.5505.4001-1223.20
23.57123.114
M7.0×0.756.306.3786.1881-1/8-12
26.5026.74626.289
M7.0×0.56.506.5506.4001-1/4-12
29.5029.92129.464
M8.0×1.07.007.1536.9171-3/8-1232.80
33.09632.639
M8.0×0.757.307.3787.1881-1/2-1236.00
36.27135.814
M8.0×0.57.507.5207.400
M9.0×1.08.008.1537.917
M9.0×0.758.308.3788.188
M10×1.258.808.9128.647
M10×1.09.009.1538.917
M10×0.759.309.3789.188
M10×0.59.509.5209.400
M11×1.010.0010.1539.917
M11×0.7510.3010.37810.188
M12×1.510.5010.67610.376
M12×1.2510.8010.91210.647
M12×1.011.0011.15310.917
M12×0.511.5011.52011.400
M14×1.512.5012.67612.376
M14×1.013.0013.15312.917
M15×1.513.5013.67613.376
M15×1.014.0014.15313.917
M16×1.514.5014.67614.376
M16×1.015.0015.15314.917
M17×1.515.5015.67615.376
M17×1.016.0016.15315.917
M18×2.016.0016.21015.835
M18×1.516.5016.67616.376
M18×1.017.0017.15316.917
M20×2.018.0018.21017.835
M20×1.518.5018.67618.376
M20×1.019.0019.15318.917
M22×2.020.0020.21019.835
M22×1.520.5020.67620.376
M22×1.021.0021.15320.917
M24×2.022.0022.21021.835
M24×1.522.5022.67622.376
M24×1.023.0023.15322.917
M25×2.023.0023.21022.835
M25×1.523.5023.67623.376
M25×1.024.0024.15323.917
M26×1.524.5024.67624.376
M27×2.025.0025.21024.835
M27×1.525.5025.67625.376
M27×1.026.0026.15325.917
M28×2.026.0026.21025.835
M28×1.526.5026.67626.376
M28×1.027.0027.15326.917
M30×3.027.0027.25226.752
M30×2.028.0028.21027.835
M30×1.528.5028.67628.376
M30×1.029.0029.15328.917
M32×2.030.0030.21029.835
M32×1.530.5030.67630.376
M33×3.030.0030.25229.752
M33×2.031.0031.21030.835
M33×1.531.5031.67631.376
M35×1.533.5033.67633.376
M36×3.033.0033.25232.752
M36×2.034.0034.21033.835
M36×1.534.5034.67634.376
螺丝攻牙钻孔径和滚丝径对照表
公制挤压丝攻钻孔径美制挤压丝攻钻孔径
规格精度等级规格（UNC）精度等级
G4-G6G7-G8G9G4-G6G7-G8G9
M1.0×0.250.860.88－NO.2-56UNC1.94
－－
M1.1×0.250.960.98－NO.3-482.23－－
M1.2×0.251.061.08－NO.4-402.50－－
M1.4×0.31.241.25－NO.5-402.83－－
M1.6×0.351.411.43－NO.6-323.07－－
M1.7×0.351.511.53－NO.8-323.733.77
－
M1.8×0.351.611.63－NO.10-244.244.3
－
M2.0×0.41.781.80－NO.12-244.904.96
－
M2.2×0.451.951.98－1/4-20－5.72－
M2.3×0.42.082.10－5/16-18－7.24－
M2.5×0.452.252.28－3/8-16－8.748.81
M2.6×0.452.352.38－7/16-14－10.20
10.30
M3.0×0.52.732.75－1/2-13－11.27
11.82
M3.5×0.63.173.20－NO.2-64UNF1.97
－－
M4.0×0.73.623.653.69NO.3-562.27－
－
M5.0×0.84.564.604.64NO.4-482.56－
－
M6.0×1.05.455.505.55NO.5-442.86－
－
M7.0×1.06.456.506.55NO.6-403.16－
－
M8.0×1.257.317.387.44NO.8-363.78－
－
M10×1.59.189.259.32NO.10-324.39
4.43－
M10×1.259.319.389.44NO.12-284.99
5.04－
M12×1.7511.0411.1211.211/4-285.85
5.90－
M12×1.2511.3111.3811.445/16-247.36
7.41－
3/8-24－9.00－
7/16-20－10.4810.54
1/2-20－12.0712.13
美制特细螺纹英制电器螺纹
规格标准径2级牙钻孔径规格钻孔径
最大最小
NO.12-324.704.8264.6232BA4.0-4.2
1/4-325.605.6905.4863BA
5/16-327.107.2647.0874BA3.0-3.2
3/8-328.708.8658.6615BA2.7-2.8
7/16-2810.2010.33810.1356BA
2.4-2.5
1/2-2811.8011.93811.709
9/16-2413.2013.38613.132
5/8-2414.8014.98614.732
3/4-2017.8017.95817.678
7/8-2021.0021.13320.853
1-2024.0024.30824.028
螺丝攻牙钻孔径和滚丝径对照表
英制螺纹公制螺纹针车用螺纹
规格(UNEF)钻孔径规格滚丝径规格滚丝
径
硬材软材
W1/8-402.652.60M3×0.52.63-2.60
SM1/8-402.735-2.688
W5/32-323.253.20M3.0×0.62.56-2.53
SM1/8-442.769-2.722
W3/16-243.753.70M3.5×0.63.06-3.03
SM9/64-403.128-3.083
W1/4-205.105.00M4.0×0.73.49-3.45
SM11/64-403.855-3.805
W5/16-186.606.50M4.0×0.753.45-3.41
SM3/16-324.205-4.155
W3/8-168.007.90M4.5×0.753.96-3.92
SM3/16-284.143-4.093
W7/16-149.409.30M5.0×0.84.43-4.38
SM7/32-325.003-4.955
W1/2-1210.7010.50M5.0×0.94.36-4.31
SM15/64-285.325-5.570
W9/16-1212.3012.00M6.0×1.0
5.30-5.25SM1/4-405.890-5.735
W5/8-1113.7013.50M7.0×1.06.30-6.25
SM1/4-285.721-5.366
W3/4-1016.7016.50M8.0×1.07.28-7.23
SM9/32-286.508-6.648
W7/8-919.5019.30M8.0×1.257.12-7.07
SM11/32-288.092-8.432
W1-822.4022.00SM3/8-28
8.880-8.015
W1-1/8-725.0024.80SM7/16-28
10.466-10.401
W1-1/4-728.3028.00SM7/16-16
10.037-9.967
SM1/2-2011.819-11.749
SM9/26-2013.400-13.425
英制管螺纹英制管螺纹美制管螺纹
规格标准径钻孔径规格标准径有交牙部之
长度（最小）中之毋螺牙内径标准长度（最小）
中之毋螺牙内径规格钻孔径
PS3/4-1424.0024.25923.975PT3/4-14
23.0023.5023.37823.6633/4-1422.63
23.0123.42
PS1-1130.2030.47130.111PT1-11
29.0029.5029.45929.8221-11-1/228.58
28.9829.36
PS1-1/4-1138.8039.13238.772PT1-1/4
-1137.5038.0037.97638.339
1-1/4-11-1/237.3137.6938.10
PS1-1/2-1144.8045.02544.665PT1-1/2
-1143.4044.0043.86944.232
1-1/2-11-1/243.6644.0444.45
PS2-1156.5056.83656.476PT2-1154.9055.5055.41255.844
2-11-1/255.5855.9656.36