细牙螺丝号 直径mm 英寸 mm 英寸 mm
0-80 1.524 1/64 0.3969 3/8 9.525
1-72 1.854 1/32 0.7938 7/16 11.1125
2-64 2.184 1/16 1.5875 1/2 12.7
3-56 2.515 3/32 2.3813 9/16 14.2875
4-48 2.845 1/8 3.175 5/8 15.875
5-44 3.175 5/32 3.9688 11/16 17.4625
6-40 3.505 3/16 4.7625 3/4 19.05
8-36 4.166 7/32 5.5563 7/8 22.225
10-32 4.826 1/4 6.35 1-1/4 31.75
12-28 5.846 5/16 7.9375 1-1/2 38.1