螺纹标准大全(最好用最全面的)

英制管螺纹
标准径 6.5 8.5 11.4 15 18.5 24 30.2 38.8 44.8 56.5 最大 6.632 8.687 11.549 15.054 18.733 24.259 30.471 39.132 45.025 56.836 钻孔径 最小 6.49 8.495 11.341 14.846 18.489 23.975 30.111 38.772 44.665 56.476
螺纹
标准长度之 螺牙内 径
6.384 8.388 11.174 14.685 18.263 23.663 29.822 38.339 44.232 55.844
源自文库
英制管螺纹
规格 PT1\16-28 PT1\8-28 PT1\4-19 PT3\8-19 PT1\2-14 PT3\4-14 PT1\4-11 PT1-1\4-11 PT1-1\2-11 PT2-2-11 标准径
使用铰刀时 不用铰刀时 有效牙部之长 度中螺牙内径 6.244
6.1 8.1 10.7 14.2 17.6 23 29 37.5 43.4 54.9
6.2 8 11 14.5 13 23.5 29.5 38 44 55.5
8.249 10.962 14.448 17.979 23.378 29.459 37.976 43.869 55.412
螺纹
钻孔径 最小 6.49 8.495 11.341 14.846 18.489 23.975 30.111 38.772 44.665 56.476
美制粗螺纹(mm)
规格UNC外径 NO.1－64（1.854) NO.2-56(2.184) NO.3-48(2.515) NO.4-40(2.845) NO.5-40(3.173) NO.6-32(3.505) NO.8-32(4.166) NO.10-24(4.826) NO.12-24(5.486) 1\4-20 5\16-18 3\8-16 7\16-14 1\2-13 9\16-12 5\8-11 3\4-10 7\8-9 1\8-8 1-1\8-7 1-1\4-7 1-3\8-6 1-1\2-6 1-3\4-5 1-4-1\2 2级牙钻孔径 标准径 最大 最小 1.55 1.582 1.452 1.8 1.871 1.695 2.1 2.146 1.941 2.3 2.385 2.157 2.6 2.679 2.487 2.8 2.895 2.642 3.4 3.53 3.302 3.9 3.962 3.683 4.5 4.597 4.344 5.1 5.257 4.979 6.6 6.731 6.401 8 9.4 10.8 12.2 13.6 16.5 19.5 22.2 25 28.2 30.8 34 39.5 45.2 8.153 9.55 11.023 12.446 12.868 18.84 19.761 22.606 25.349 28.524 31.115 34.29 39.827 45.593 7.793 9.144 10.592 11.989 13.386 16.307 19.507 21.971 24.6398 27.813 30.353 33.528 38.964 44.679 规格 PS1\16-28 PS1\8-28 Ps1\4-19 PS3\8-19 PS1\2-14 PS3\4-14 PS1\4-11 PS1-1\4-11 PS1-1\2-11 PS2-1\2-11