螺丝攻牙钻孔径和滚丝径对照表.pdf

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

M7.0×1.06.006.153