求公制、英制、美制螺纹对照表螺纹标准手册及怎样区分公制、英制、美制螺纹

1. 宽运散公制自攻牙： - 规格：S T1.5S, T1.9S, T2.2S, T2.6S, T2.9S, T3.3S, T3.5S, T3.9S, T4.2S, T4.8S, T5.5S, T6.3S, T8.0S, T9.5 - 牙距：0.5, 0.6, 0.8, 0.9, 1.1, 1.3, 1.3, 1.3, 1.4, 1.6, 1.8, 1.8, 2.1, 2.12. 英制自攻牙： - 规格：4#, 5#, 6#, 7#, 8#, 10#, 12···