螺纹 | 麻花钻 直径 mm | |||||
公称 直径 | 螺距 | 下列等级的小径 (mm) | ||||
5H 最大 | 6H 最大 | 7H 最大 | 5H、6H、7H 最小 | |||
1 | 0.25 | 0.785 | / | / | 0.729 | 0.75 |
1.1 | 0.25 | 0.885 | / | / | 0.829 | 0.85 |
1.2 | 0.25 | 0.985 | / | / | 0.929 | 0.95 |
1.4 | 0.3 | 1.142 | 1.16 | / | 1.075 | 1.1 |
1.6 | 0.35 | 1.301 | 1.321 | / | 1.221 | 1.25 |
1.8 | 0.35 | 1.501 | 1.521 | / | 1.421 | 1.45 |
2 | 0.4 | 1.657 | 1.679 | / | 1.567 | 1.6 |
2.2 | 0.45 | 1.813 | 1.838 | / | 1.713 | 1.75 |
2.5 | 0.45 | 2.113 | 2.138 | / | 2.013 | 2.05 |
3 | 0.5 | 2.571 | 2.599 | 2.639 | 2.459 | 2.5 |
3.5 | 0.6 | 2.975 | 3.01 | 3.05 | 2.85 | 2.9 |
4 | 0.7 | 3.382 | 3.422 | 3.466 | 3.242 | 3.3 |
4.5 | 0.75 | 3.838 | 3.878 | 3.924 | 3.688 | 3.7 |
5 | 0.8 | 4.294 | 4.334 | 4.384 | 4.134 | 4.2 |
6 | 1 | 5.107 | 5.153 | 5.217 | 4.917 | 5 |
7 | 1 | 6.107 | 6.153 | 6.217 | 5.917 | 6 |
8 | 1.25 | 6.859 | 6.912 | 6.982 | 6.647 | 6.8 |
9 | 1.25 | 7.859 | 7.912 | 7.982 | 7.647 | 7.8 |
10 | 1.5 | 8.612 | 8.676 | 8.751 | 8.376 | 8.5 |
11 | 1.5 | 9.612 | 9.676 | 9.751 | 9.376 | 9.5 |
12 | 1.75 | 10.371 | 10.441 | 10.531 | 10.106 | 10.2 |
14 | 2 | 12.135 | 12.21 | 12.31 | 11.835 | 12 |
16 | 2 | 14.135 | 14.21 | 14.31 | 13.835 | 14 |
18 | 2.5 | 15.649 | 15.744 | 15.854 | 15.294 | 15.5 |
20 | 2.5 | 17.649 | 17.744 | 17.854 | 17.294 | 17.5 |
22 | 2.5 | 19.649 | 19.744 | 19.854 | 19.294 | 19.5 |
24 | 3 | 21.152 | 21.252 | 21.382 | 20.752 | 21 |
27 | 3 | 24.152 | 24.252 | 24.382 | 23.752 | 24 |
30 | 3.5 | 26.661 | 26.771 | 26.921 | 26.211 | 26.5 |
33 | 3.5 | 29.661 | 29.771 | 29.921 | 29.211 | 29.5 |
36 | 4 | 32.145 | 32.27 | 32.42 | 31.67 | 32 |
39 | 4 | 35.145 | 35.27 | 35.42 | 34.67 | 35 |
42 | 4.5 | 37.659 | 37.779 | 37.979 | 37.129 | 37.5 |
45 | 4.5 | 40.659 | 40.779 | 40.979 | 40.129 | 40.5 |
48 | 5 | 43.147 | 43.297 | 43.487 | 42.587 | 43 |
52 | 5 | 47.147 | 47.297 | 47.487 | 46.587 | 47 |
56 | 5.5 | 50.646 | 50.796 | 50.996 | 50.046 | 50.5 |
螺纹 | 麻花钻 直径 mm | |||||
公称 直径 | 螺距 | 下列等级的小径 (mm) | ||||
5H 最大 | 6H 最大 | 7H 最大 | 5H、6H、7H 最小 | |||
2.5 | 0.35 | 2.201 | 2.221 | / | 2.121 | 2.15 |
3 | 0.35 | 2.701 | 2.721 | / | 2.621 | 2.65 |
3.5 | 0.35 | 3.201 | 3.221 | / | 3.121 | 3.15 |
4 | 0.5 | 3.571 | 3.599 | 3.639 | 3.459 | 3.5 |
4.5 | 0.5 | 4.071 | 4.099 | 4.139 | 3.959 | 4 |
5 | 0.5 | 4.571 | 4.599 | 4.639 | 4.459 | 4.5 |
5.5 | 0.5 | 5.071 | 5.099 | 5.139 | 4.959 | 5 |
6 | 0.75 | 5.338 | 5.378 | 5.424 | 5.188 | 5.2 |
7 | 0.75 | 6.338 | 6.378 | 6.424 | 6.188 | 6.2 |
8 | 0.75 | 7.338 | 7.378 | 7.424 | 7.188 | 7.2 |
9 | 0.75 | 8.338 | 8.378 | 8.424 | 8.188 | 8.2 |
10 | 0.75 | 9.338 | 9.378 | 9.424 | 9.188 | 9.2 |
11 | 0.75 | 10.338 | 10.378 | 10.424 | 10.188 | 10.2 |
8 | 1 | 7.107 | 7.153 | 7.217 | 6.917 | 7 |
9 | 1 | 8.107 | 8.153 | 8.217 | 7.917 | 8 |
10 | 1 | 9.107 | 9.153 | 9.217 | 8.917 | 9 |
11 | 1 | 10.107 | 10.153 | 10.217 | 9.917 | 10 |
12 | 1 | 11.107 | 11.153 | 11.217 | 10.917 | 11 |
14 | 1 | 13.107 | 13.153 | 13.217 | 12.917 | 13 |
15 | 1 | 14.107 | 14.153 | 14.217 | 13.917 | 14 |
16 | 1 | 15.107 | 15.153 | 15.217 | 14.917 | 15 |
17 | 1 | 16.107 | 16.153 | 16.217 | 15.917 | 16 |
18 | 1 | 17.107 | 17.153 | 17.217 | 16.917 | 17 |
20 | 1 | 19.107 | 19.153 | 19.217 | 18.917 | 19 |
22 | 1 | 21.107 | 21.153 | 21.217 | 20.917 | 21 |
24 | 1 | 23.107 | 23.153 | 23.217 | 22.917 | 23 |
25 | 1 | 24.107 | 24.153 | 24.217 | 23.917 | 24 |
27 | 1 | 26.107 | 26.153 | 26.217 | 25.917 | 26 |
28 | 1 | 27.107 | 27.153 | 27.217 | 26.917 | 27 |
30 | 1 | 29.107 | 29.153 | 29.217 | 28.917 | 29 |
10 | 1.25 | 8.859 | 8.912 | 8.982 | 8.647 | 8.8 |
12 | 1.25 | 10.859 | 10.912 | 10.982 | 10.647 | 10.8 |
14 | 1.25 | 12.859 | 12.912 | 12.982 | 12.647 | 12.8 |
12 | 1.5 | 10.612 | 10.676 | 10.751 | 10.376 | 10.5 |
14 | 1.5 | 12.612 | 12.676 | 12.751 | 12.376 | 12.5 |
15 | 1.5 | 13.612 | 13.676 | 13.751 | 13.376 | 13.5 |
16 | 1.5 | 14.612 | 14.676 | 14.751 | 14.376 | 14.5 |
17 | 1.5 | 15.612 | 15.676 | 15.751 | 15.376 | 15.5 |
18 | 1.5 | 16.612 | 16.676 | 16.751 | 16.376 | 16.5 |
20 | 1.5 | 18.612 | 18.676 | 18.751 | 18.376 | 18.5 |
22 | 1.5 | 20.612 | 20.676 | 20.751 | 20.376 | 20.5 |
24 | 1.5 | 22.612 | 22.676 | 22.751 | 22.376 | 22.5 |
25 | 1.5 | 23.612 | 23.676 | 23.751 | 23.376 | 23.5 |
26 | 1.5 | 24.612 | 24.676 | 24.751 | 24.376 | 24.5 |
27 | 1.5 | 25.612 | 25.676 | 25.751 | 25.376 | 25.5 |
28 | 1.5 | 26.612 | 26.676 | 26.751 | 26.376 | 26.5 |
30 | 1.5 | 28.612 | 28.676 | 28.751 | 28.376 | 28.5 |
32 | 1.5 | 30.612 | 30.676 | 30.751 | 30.376 | 30.5 |
33 | 1.5 | 31.612 | 31.676 | 31.751 | 31.376 | 31.5 |
35 | 1.5 | 33.612 | 33.676 | 33.751 | 33.376 | 33.5 |
36 | 1.5 | 34.612 | 34.676 | 34.751 | 34.376 | 34.5 |
38 | 1.5 | 35.612 | 36.676 | 36.751 | 36.376 | 36.5 |
39 | 1.5 | 37.612 | 37.676 | 37.751 | 37.376 | 37.5 |
40 | 1.5 | 38.612 | 38.676 | 38.751 | 38.376 | 38.5 |
42 | 1.5 | 40.612 | 40.676 | 40.751 | 40.376 | 40.5 |
45 | 1.5 | 43.612 | 43.676 | 43.751 | 43.376 | 43.5 |
48 | 1.5 | 46.612 | 46.676 | 46.751 | 46.376 | 46.5 |
50 | 1.5 | 48.612 | 48.676 | 48.751 | 48.376 | 48.5 |
52 | 1.5 | 50.612 | 50.676 | 50.751 | 50.376 | 50.5 |
18 | 2 | 16.135 | 16.21 | 16.31 | 15.835 | 16 |
20 | 2 | 18.135 | 18.21 | 18.31 | 17.835 | 18 |
22 | 2 | 20.135 | 20.21 | 20.31 | 19.835 | 20 |
24 | 2 | 22.135 | 22.21 | 22.31 | 21.835 | 22 |
25 | 2 | 23.135 | 23.21 | 23.31 | 22.835 | 23 |
27 | 2 | 25.135 | 25.21 | 25.31 | 24.835 | 25 |
28 | 2 | 26.135 | 26.21 | 26.31 | 25.835 | 26 |
30 | 2 | 28.135 | 28.21 | 28.31 | 27.835 | 28 |
32 | 2 | 30.135 | 30.21 | 30.31 | 29.835 | 30 |
33 | 2 | 31.135 | 31.21 | 31.31 | 30.835 | 31 |
36 | 2 | 34.135 | 34.21 | 34.31 | 33.835 | 34 |
39 | 2 | 37.135 | 37.21 | 37.31 | 36.835 | 37 |
40 | 2 | 38.135 | 38.21 | 38.31 | 37.835 | 38 |
42 | 2 | 40.135 | 40.21 | 40.31 | 39.835 | 40 |
45 | 2 | 43.135 | 43.21 | 43.31 | 42.835 | 43 |
48 | 2 | 46.135 | 46.21 | 46.31 | 45.835 | 46 |
50 | 2 | 48.135 | 48.21 | 48.31 | 47.835 | 48 |
52 | 2 | 50.135 | 50.21 | 50.31 | 49.835 | 50 |
30 | 3 | 27.152 | 27.252 | 27.382 | 26.752 | 27 |
33 | 3 | 30.152 | 30.252 | 30.382 | 29.752 | 30 |
36 | 3 | 33.152 | 33.252 | 33.382 | 32.752 | 33 |
39 | 3 | 36.152 | 36.252 | 36.382 | 35.752 | 36 |
40 | 3 | 37.152 | 37.252 | 37.382 | 36.752 | 37 |
42 | 3 | 39.152 | 39.252 | 39.382 | 38.752 | 39 |
45 | 3 | 42.152 | 42.252 | 42.382 | 41.752 | 42 |
48 | 3 | 45.152 | 46.252 | 45.382 | 44.752 | 45 |
50 | 3 | 47.152 | 47.252 | 47.382 | 46.752 | 47 |
52 | 3 | 49.152 | 49.252 | 49.382 | 48.752 | 49 |
42 | 4 | 38.145 | 38.27 | 38.42 | 37.67 | 38 |
45 | 4 | 41.145 | 41.27 | 41.42 | 40.67 | 41 |
48 | 4 | 44.145 | 44.27 | 44.42 | 43.67 | 44 |
52 | 4 | 48.145 | 48.27 | 48.42 | 47.67 | 48 |