钢丝螺套英制螺纹参数表
直径号-牙数 | d | P | 公称直径 | 圈数 W | 自由状态下外径 | L3 | 钻头直径 | ||
xd | L1 | min | max | ||||||
4-40UNC | 2.845 | 0.635 | 1d | 2.85 | 3.0 | 3.66 | 4.04 | 5.4 | 3.0 |
1.5d | 4.27 | 4.9 | 6.8 | ||||||
2d | 5.69 | 6.8 | 8.2 | ||||||
2.5d | 7.11 | 8.7 | 9.7 | ||||||
3d | 8.54 | 10.6 | 11.1 | ||||||
5-40UNC | 3.175 | 0.635 | 1d | 3.18 | 3.4 | 4.01 | 4.39 | 5.7 | 3.3 |
1.5d | 4.76 | 5.6 | 7.3 | ||||||
2d | 6.35 | 7.7 | 8.9 | ||||||
2.5d | 7.94 | 9.9 | 10.5 | ||||||
3d | 9.53 | 12.0 | 12.1 | ||||||
6-32UNC | 3.505 | 0.794 | 1d | 3.51 | 3.0 | 4.52 | 4.90 | 6.7 | 3.7 |
1.5d | 5.26 | 4.9 | 8.4 | ||||||
2d | 7.01 | 6.8 | 10.2 | ||||||
2.5d | 8.76 | 8.7 | 11.9 | ||||||
3d | 10.52 | 10.6 | 13.7 | ||||||
8-32UNC | 4.166 | 0.794 | 1d | 4.17 | 3.8 | 5.2 | 5.56 | 7.3 | 4.4 |
1.5d | 6.25 | 6.1 | 9.4 | ||||||
2d | 8.33 | 8.4 | 11.5 | ||||||
2.5d | 10.42 | 10.7 | 13.6 | ||||||
3d | 12.5 | 13.1 | 15.7 | ||||||
8-36UNF | 4.166 | 0.706 | 1d | 4.17 | 4.2 | 5.18 | 5.58 | 7.0 | 4.3 |
1.5d | 6.25 | 6.8 | 9.1 | ||||||
2d | 8.33 | 9.3 | 11.2 | ||||||
2.5d | 10.42 | 11.9 | 13.2 | ||||||
3d | 12.5 | 14.4 | 15.3 | ||||||
10-24UNC | 4.826 | 1.058 | 1d | 4.83 | 3.1 | 6.19 | 6.68 | 9.1 | 5.1 |
1.5d | 7.24 | 5.1 | 11.5 | ||||||
2d | 9.65 | 7.1 | 13.9 | ||||||
2.5d | 12.07 | 9.1 | 16.3 | ||||||
3d | 14.48 | 11.1 | 18.7 | ||||||
10-32UNF | 4.826 | 0.794 | 1d | 4.83 | 4.3 | 5.99 | 6.50 | 8.0 | 5.0 |
1.5d | 7.24 | 6.9 | 10.4 | ||||||
2d | 9.65 | 9.5 | 12.8 | ||||||
2.5d | 12.07 | 12.1 | 15.2 | ||||||
3d | 14.48 | 14.7 | 17.7 | ||||||
12-24UNC | 5.486 | 1.058 | 1d | 5.49 | 3.8 | 6.86 | 7.24 | 9.7 | 5.8 |
1.5d | 8.23 | 6.1 | 12.5 | ||||||
2d | 10.97 | 8.4 | 15.2 | ||||||
2.5d | 13.72 | 10.8 | 17.9 | ||||||
3d | 16.46 | 13.1 | 20.7 |
直径号-牙数 | d | P | 公称直径 | 圈数 W | 自由状态下外径 | L3 | 钻头直径 | ||
xd | L1 | min | max | ||||||
1/4-20UNC | 6.350 | 1.270 | 1d | 6.35 | 3.6 | 7.86 | 8.38 | 11.4 | 6.7 |
1.5d | 9.53 | 5.9 | 14.6 | ||||||
2d | 12.70 | 8.2 | 17.8 | ||||||
2.5d | 15.88 | 10.4 | 21.0 | ||||||
3d | 19.05 | 12.7 | 24.1 | ||||||
1/4-28UNF | 6.350 | 0.907 | 1d | 6.35 | 5.2 | 7.77 | 8.28 | 10.0 | 6.6 |
1.5d | 9.53 | 8.3 | 13.2 | ||||||
2d | 12.70 | 11.3 | 16.3 | ||||||
2.5d | 15.88 | 14.4 | 19.5 | ||||||
3d | 19.05 | 17.4 | 22.7 | ||||||
5/16-18UNC | 7.938 | 1.411 | 1d | 7.94 | 4.3 | 9.64 | 10.16 | 13.6 | 8.3 |
1.5d | 11.91 | 6.8 | 17.6 | ||||||
2d | 15.88 | 9.4 | 21.5 | ||||||
2.5d | 19.85 | 12.0 | 25.5 | ||||||
3d | 23.81 | 14.6 | 29.5 | ||||||
5/16-24UNF | 7.938 | 1.058 | 1d | 7.94 | 5.7 | 9.65 | 10.16 | 12.2 | 8.2 |
1.5d | 11.91 | 9.0 | 16.1 | ||||||
2d | 15.88 | 12.3 | 20.1 | ||||||
2.5d | 19.85 | 15.6 | 24.1 | ||||||
3d | 23.81 | 18.9 | 28.0 | ||||||
3/8-16UNC | 9.525 | 1.588 | 1d | 9.95 | 4.6 | 11.48 | 11.99 | 15.9 | 9.9 |
1.5d | 14.29 | 7.4 | 20.6 | ||||||
2d | 19.05 | 10.2 | 25.4 | ||||||
2.5d | 23.81 | 13.0 | 30.2 | ||||||
3d | 28.58 | 15.8 | 34.9 | ||||||
3/8-24UNF | 9.525 | 1.058 | 1d | 9.53 | 7.1 | 11.37 | 11.88 | 13.8 | 9.8 |
1.5d | 14.29 | 11.1 | 18.5 | ||||||
2d | 19.05 | 15.1 | 23.3 | ||||||
2.5d | 23.81 | 19.1 | 28.0 | ||||||
3d | 28.58 | 23.1 | 32.8 | ||||||
7/16-14UNC | 11.113 | 1.814 | 1d | 11.11 | 4.7 | 13.36 | 13.99 | 18.4 | 11.6 |
1.5d | 16.67 | 7.6 | 23.9 | ||||||
2d | 22.23 | 10.4 | 29.5 | ||||||
2.5d | 27.78 | 13.2 | 35.0 | ||||||
3d | 33.34 | 16.1 | 40.6 | ||||||
7/16-20UNF | 11.113 | 1.270 | 1d | 11.11 | 7.0 | 13.30 | 13.70 | 16.2 | 11.4 |
1.5d | 16.67 | 10.9 | 21.7 | ||||||
2d | 22.23 | 14.9 | 27.3 | ||||||
2.5d | 27.78 | 18.8 | 32.9 | ||||||
3d | 33.34 | 22.8 | 38.4 |
直径号-牙数 | d | P | 公称直径 | 圈数 W | 自由状态下外径 | L3 | 钻头直径 | ||
xd | L1 | min | max | ||||||
1/2-13UNC | 12.700 | 1.954 | 1d | 12.70 | 5.1 | 15.16 | 15.80 | 20.5 | 13.2 |
1.5d | 19.05 | 8.1 | 26.9 | ||||||
2d | 25.40 | 11.1 | 33.2 | ||||||
2.5d | 31.75 | 14.2 | 39.6 | ||||||
3d | 38.10 | 17.2 | 45.9 | ||||||
1/2-20UNF | 12.700 | 1.270 | 1d | 12.70 | 8.0 | 15.03 | 15.67 | 17.8 | 13.0 |
1.5d | 19.05 | 12.4 | 24.1 | ||||||
2d | 25.40 | 16.9 | 30.5 | ||||||
2.5d | 31.75 | 21.3 | 36.8 | ||||||
3d | 38.10 | 25.8 | 43.2 | ||||||
9/16-18UNF | 14.288 | 1.411 | 1d | 14.29 | 8.1 | 16.91 | 17.55 | 19.9 | 14.6 |
1.5d | 21.43 | 12.7 | 27.1 | ||||||
2d | 28.58 | 17.2 | 34.2 | ||||||
2.5d | 35.72 | 21.7 | 41.4 | ||||||
3d | 42.86 | 26.2 | 48.5 | ||||||
5/8-11UNC | 15.875 | 2.309 | 1d | 15.88 | 5.5 | 18.84 | 19.48 | 25.1 | 16.5 |
1.5d | 23.81 | 8.7 | 33.0 | ||||||
2d | 31.75 | 11.9 | 41.0 | ||||||
2.5d | 39.69 | 15.1 | 48.9 | ||||||
3d | 47.63 | 18.3 | 56.9 | ||||||
5/8-18UNF | 15.875 | 1.411 | 1d | 15.88 | 18.9 | 9.64 | 10.16 | 21.5 | 16.2 |
1.5d | 23.81 | 29.2 | 29.5 | ||||||
2d | 31.75 | 39.5 | 37.4 | ||||||
2.5d | 39.69 | 49.9 | 45.3 | ||||||
3d | 47.63 | 60.2 | 53.3 | ||||||
3/4-10UNC | 19.050 | 2.540 | 1d | 19.05 | 6.1 | 22.36 | 23.00 | 29.2 | 19.7 |
1.5d | 28.58 | 9.6 | 38.7 | ||||||
2d | 38.10 | 13.2 | 48.3 | ||||||
2.5d | 47.63 | 16.7 | 57.8 | ||||||
3d | 57.15 | 20.2 | 67.3 | ||||||
3/4-16UNF | 19.050 | 1.588 | 1d | 19.05 | 9.9 | 22.25 | 22.88 | 25.4 | 19.4 |
1.5d | 28.58 | 15.3 | 34.9 | ||||||
2d | 38.10 | 20.7 | 44.5 | ||||||
2.5d | 47.63 | 26.1 | 54.0 | ||||||
3d | 57.15 | 31.5 | 63.5 | ||||||
7/8-9UNC | 21.590 | 2.822 | 1d | 21.59 | 6.1 | 25.96 | 26.72 | 32.9 | 22.3 |
1.5d | 32.39 | 9.6 | 43.7 | ||||||
2d | 43.18 | 13.0 | 54.5 | ||||||
2.5d | 53.98 | 16.5 | 65.3 | ||||||
3d | 64.77 | 20.0 | 76.1 |