攻牙直径与滚造直径对照表(超全螺纹攻牙钻孔直径和滚造直径对照表)
本表所推选钻头孔径,是针对攻牙加工时,能够很容易的了解钻头直径,而依据市售之标准钻头所选定的,在使用钻头的情况下,由于钻头的形状及尺寸,精度,被钻孔之材质等,对于所钻孔的尺寸,精度有很大影响,所以使用本表之钻孔径,若有不当之处,应实际状况适当的变更钻头直径,本表依据2级牙制订。
公 制 粗 螺 纹 | |||
规格 |
标准径 |
2级牙钻孔径 | |
最大 |
最小 | ||
M1.0×0.25 |
0.75 |
0.785 |
0.729 |
M1.1×0.25 |
0.85 |
0.885 |
0.829 |
M1.2×0.25 |
0.95 |
0.985 |
0.929 |
M1.4×0.3 |
1.10 |
1.142 |
1.075 |
M1.6×0.35 |
1.25 |
1.321 |
1.221 |
M1.7×0.35 |
1.35 |
1.421 |
1.321 |
M1.8×0.35 |
1.45 |
1.521 |
1.421 |
M2.0×0.4 |
1.60 |
1.679 |
1.567 |
M2.2×0.45 |
1.75 |
1.838 |
1.713 |
M2.3×0.4 |
1.90 |
1.979 |
1.867 |
M2.5×0.45 |
2.10 |
2.138 |
2.013 |
M2.6×0.45 |
2.20 |
2.238 |
2.113 |
M3.0×0.5 |
2.50 |
2.599 |
2.459 |
M3.0×0.6 |
2.40 |
2.44 |
2.280 |
M3.5×0.6 |
2.90 |
3.010 |
2.850 |
M4.0×0.7 |
3.30 |
3.422 |
3.242 |
M4.0×0.75 |
3.25 |
3.326 |
3.106 |
M4.5×0.75 |
3.80 |
3.878 |
3.688 |
M5.0×0.8 |
4.20 |
4.334 |
4.134 |
M5.0×0.9 |
4.10 |
4.170 |
3.930 |
M6.0×1.0 |
5.00 |
5.153 |
4.917 |
M7.0×1.0 |
6.00 |
6.153 |
5.917 |
M8.0×1.25 |
6.80 |
6.912 |
6.647 |
M9.0×1.25 |
7.80 |
7.912 |
7.647 |
M10×1.5 |
8.50 |
8.676 |
8.376 |
M11×1.5 |
9.50 |
9.676 |
9.376 |
M12×1.75 |
10.30 |
10.441 |
10.106 |
M14×2.0 |
12.00 |
12.210 |
11.735 |
M16×2.0 |
14.00 |
14.210 |
13.835 |
M18×2.5 |
15.50 |
15.744 |
15.294 |
M20×2.5 |
17.50 |
17.744 |
17.294 |
M22×2.5 |
19.50 |
19.744 |
19.294 |
M24×3.0 |
21.00 |
21.252 |
20.752 |
M27×3.0 |
24.00 |
24.252 |
23.752 |
M30×3.5 |
26.50 |
26.771 |
26.211 |
公 制 细 螺 纹 | |||
规格 |
标准径 |
2级牙钻孔径 | |
最大 |
最小 | ||
M1.0×0.2 |
0.80 |
0.821 |
0.783 |
M1.1×0.2 |
0.90 |
0.921 |
0.883 |
M1.2×0.2 |
1.00 |
1.021 |
0.983 |
M1.4×0.2 |
1.20 |
1.221 |
0.183 |
M1.6×0.2 |
1.40 |
1.421 |
1.383 |
M1.7×0.2 |
1.45 |
1.500 |
1.460 |
M1.8×0.2 |
1.60 |
1.621 |
1.583 |
M2.0×0.25 |
1.75 |
1.785 |
1.729 |
M2.2×0.25 |
1.95 |
1.985 |
1.929 |
M2.3×0.25 |
2.05 |
2.061 |
2.001 |
M2.5×0.35 |
2.20 |
2.221 |
2.121 |
M2.6×0.35 |
2.20 |
2.246 |
2.186 |
M3.0×0.35 |
2.70 |
2.721 |
2.621 |
M3.5×0.35 |
3.20 |
3.221 |
3.121 |
M4.0×0.5 |
3.50 |
3.599 |
3.459 |
M4.5×0.5 |
4.00 |
4.099 |
3.959 |
M5×0.5 |
4.50 |
4.599 |
4.459 |
M5.5×0.5 |
5.00 |
5.099 |
4.959 |
M6.0×0.75 |
5.30 |
5.378 |
5.188 |
M6.0×0.5 |
5.50 |
5.550 |
5.400 |
M7.0×0.75 |
6.30 |
6.378 |
61.88 |
M7.0×0.5 |
6.50 |
6.550 |
64.00 |
M8.0×1.0 |
7.00 |
7.153 |
6.917 |
M8.0×0.75 |
7.30 |
7.378 |
7.188 |
M8×0.5 |
7.50 |
7.520 |
7.400 |
M9×1.0 |
8.00 |
8.153 |
7.917 |
M9×0.75 |
8.30 |
8.378 |
8.188 |
M10×1.25 |
8.80 |
8.912 |
8.647 |
M10×1.0 |
9.00 |
9.153 |
8.917 |
M10×0.75 |
9.30 |
9.378 |
9.188 |
M10×0.5 |
9.50 |
9.520 |
9.400 |
M11×1.0 |
10.00 |
10.153 |
9.917 |
M11×0.75 |
10.30 |
10.378 |
10.188 |
M11×1.5 |
10.50 |
10.676 |
10.376 |
M12×1.25 |
10.80 |
10.912 |
10.647 |
公 制 细 螺 纹 | |||
规格 |
标准径 |
2级牙钻孔径 | |
最大 |
最小 | ||
M12×1.0 |
11.00 |
11.153 |
10.917 |
M12×0.5 |
11.50 |
11.520 |
11.4 |
M14×1.5 |
12.50 |
12.676 |
12.376 |
M14×1.0 |
13.00 |
13.153 |
12.917 |
M15×1.5 |
13.50 |
13.676 |
13.376 |
M15×1.0 |
14.00 |
14.153 |
13.917 |
M16×1.5 |
14.50 |
14.676 |
14.376 |
M16×1.0 |
15.00 |
15.153 |
14.917 |
M17×1.5 |
15.50 |
15.676 |
15.376 |
M17×1.0 |
16.00 |
16.153 |
15.917 |
M18×2.0 |
16.00 |
16.210 |
15.835 |
M18×1.5 |
16.50 |
16.670 |
16.376 |
M18×1.0 |
17.00 |
17.153 |
16.917 |
M20×2.0 |
18.00 |
18.210 |
17.835 |
M20×1.5 |
18.50 |
18.676 |
18.376 |
M20×1.0 |
19.00 |
19.153 |
18.917 |
M20×2.0 |
20.00 |
20.210 |
19.835 |
M22×1.5 |
20.50 |
20.676 |
20.376 |
M22×1.0 |
21.00 |
21.153 |
20.917 |
M24×2.0 |
22.00 |
22.210 |
21.835 |
M24×1.5 |
22.50 |
22.676 |
22.376 |
M24×1.0 |
23.00 |
23.153 |
22.917 |
M25×2.0 |
23.00 |
23.210 |
22.835 |
M25×1.5 |
23.50 |
23.676 |
23.376 |
M25×1.0 |
24.00 |
24.153 |
23.917 |
M26×1.5 |
24.50 |
24.676 |
24.376 |
M27×2.0 |
25.00 |
25.210 |
24.835 |
M27×1.5 |
25.50 |
25.676 |
25.376 |
M27×1.0 |
26.00 |
26.153 |
25.917 |
M28×2.0 |
26.00 |
26.210 |
25.835 |
M28×1.5 |
26.50 |
26.676 |
26.376 |
M28×1.0 |
27.00 |
27.153 |
26.917 |
M30×3.0 |
27.00 |
27.252 |
26.752 |
M30×2.0 |
28.00 |
28.210 |
27.835 |
M30×1.5 |
28.50 |
28.676 |
28.376 |
M30×1.0 |
29.00 |
29.153 |
28.917 |
M32×2.0 |
30.00 |
30.210 |
29.835 |
M32×1.5 |
30.50 |
30.676 |
30.376 |
M33×3.0 |
30.00 |
30.252 |
29.752 |
M33×2.0 |
31.00 |
31.210 |
30.835 |
M33×1.5 |
31.50 |
31.376 |
31.376 |
M35×1.5 |
33.50 |
33.676 |
33.376 |
M36×3.0 |
33.00 |
33.252 |
32.752 |
M36×2.0 |
34.00 |
34.210 |
33.835 |
M36×1.5 |
34.50 |
34.676 |
34.376 |
美 制 细 螺 纹 | |||
规格(UNF) |
标准径 |
2级牙钻孔径 | |
最大 |
最小 | ||
番数牙外径 | |||
NO.0-80(1.524) |
1.25 |
1.305 |
1.182 |
NO.1-72(1.854) |
1.55 |
1.612 |
1.474 |
NO.2-64(2.184) |
1.85 |
1.912 |
1.756 |
NO.3-56(2.515) |
2.10 |
2.197 |
2.025 |
NO.4-48(2.845) |
2.40 |
2.458 |
2.271 |
NO.5-44(3.175) |
2.70 |
2.740 |
2.551 |
NO.6-40(3.505) |
2.90 |
3.022 |
2.820 |
NO.8-36(4.166) |
3.50 |
3.606 |
3.404 |
NO.10-32(4.826) |
4.10 |
4.165 |
3.963 |
NO.12-28(5.846) |
4.60 |
4.724 |
4.496 |
1/4 -28 |
5.50 |
5.588 |
5.360 |
5/16 -24 |
6.90 |
7.035 |
6.782 |
3/8 -24 |
8.50 |
8.636 |
8.382 |
7/16 -20 |
9.90 |
10.033 |
9.729 |
1/2 -20 |
11.50 |
11.607 |
11.329 |
9/16 -18 |
12.90 |
13.081 |
12.751 |
5/8 -18 |
14.50 |
14.681 |
14.351 |
3/4 -16 |
17.50 |
14.678 |
17.323 |
7/8 -14 |
20.50 |
20.675 |
20.270 |
1 -12 |
23.20 |
23.571 |
23.114 |
1-1/8 -12 |
26.50 |
26.746 |
26.289 |
1-1/4 -12 |
29.50 |
29.921 |
29.464 |
1-3/8 -12 |
32.80 |
33.096 |
32.464 |
1-1/2 -12 |
36.00 |
36.270 |
35.814 |
无 屑 丝 攻 钻 孔 径 | |||
规格 |
精度等级 | ||
RH4.5.6 |
RH7.8 |
RH9 | |
M1.0×0.25 |
0.86 |
0.88 |
- |
M1.1×0.25 |
0.96 |
0.98 |
- |
M1.2×0.25 |
1.06 |
1.08 |
- |
M1.4×0.3 |
1.24 |
1.25 |
- |
M1.6×0.35 |
1.41 |
1.43 |
- |
M1.7×0.35 |
1.51 |
1.53 |
- |
M1.8×0.35 |
1.61 |
1.63 |
- |
M2.0×0.4 |
1.78 |
1.80 |
- |
M2.2×0.45 |
1.95 |
1.98 |
- |
M2.3×0.4 |
2.08 |
2.10 |
- |
M2.5×0.45 |
2.25 |
2.28 |
- |
M2.6×0.45 |
2.35 |
1.38 |
- |
M3.0×0.5 |
2.73 |
2.75 |
- |
M3.0×0.6 |
3.17 |
3.20 |
- |
M4.0×0.7 |
3.62 |
3.65 |
3.69 |
M5.0×0.8 |
4.56 |
4.60 |
4.64 |
M6.0×1.0 |
5.45 |
5.50 |
5.55 |
M7.0×1.0 |
6.45 |
6.50 |
6.55 |
M8.0×1.25 |
7.31 |
7.38 |
7.44 |
M10×1.5 |
9.18 |
9.25 |
9.32 |
M10×1.25 |
9.31 |
9.38 |
9.44 |
M12×1.75 |
11.04 |
11.12 |
11.21 |
M12×1.25 |
11.31 |
11.38 |
11.44 |
美 制 管 螺 纹 | |||
规格(UNEF) |
标准径 |
2级牙钻孔径 | |
最大 |
最小 | ||
NO.12 -32 |
4.70 |
4.826 |
4.623 |
1/4 -32 |
5.60 |
5.690 |
5.486 |
5/16 -32 |
7.10 |
7.264 |
7.087 |
3/8 -32 |
8.70 |
8.865 |
8.661 |
7/16 -28 |
10.20 |
10.338 |
10.135 |
1/2 -28 |
11.80 |
11.938 |
11.709 |
9/16 -28 |
13.20 |
13.386 |
13.132 |
5/8 -24 |
14.80 |
14.986 |
14.732 |
3/4 -20 |
17.80 |
17.958 |
17.678 |
7/8 -20 |
21.00 |
21.133 |
20.853 |
1 -20 |
24.00 |
24.308 |
24.028 |
美 制 粗 螺 纹 | |||
规格(UNC) |
标准径 |
2级牙钻孔径 | |
番数牙外径 |
最大 |
最小 | |
NO.1-64(1.854) |
1.55 |
1.582 |
1.425 |
NO.2-56(2.184) |
1.80 |
1.871 |
1.695 |
NO.3-48(2.515) |
2.10 |
2.146 |
1.941 |
NO.4-40(2.845) |
2.30 |
2.385 |
2.157 |
NO.5-40(3.175) |
2.60 |
2.697 |
2.487 |
NO.6-32(3.505) |
2.80 |
2.895 |
2.642 |
NO.8-32(4.166) |
3.40 |
3.530 |
3.302 |
NO.10-24(4.826) |
3.90 |
3.962 |
3.682 |
NO.12-24(5.846) |
4.50 |
4.597 |
4.344 |
1/4 -20 |
5.10 |
5.257 |
4.979 |
5/16 -18 |
6.60 |
6.731 |
6.401 |
3/8 -16 |
8.00 |
8.153 |
7.987 |
7/16 -14 |
9.40 |
9.500 |
9.144 |
1/2 -13 |
10.80 |
11.023 |
10.592 |
9/16 -12 |
12.20 |
12.446 |
11.989 |
5/8 -11 |
13.60 |
12.868 |
13.386 |
3/4 -10 |
16.20 |
16.840 |
16.307 |
7/8 -9 |
19.50 |
19.761 |
19.177 |
1 -8 |
22.20 |
22.606 |
21.971 |
1-1/8 -7 |
25.00 |
25.349 |
24.638 |
1-1/4 -7 |
28.20 |
28.524 |
27.813 |
1-3/8 -6 |
30.80 |
31.115 |
30.353 |
1-1/2 -6 |
34.00 |
34.290 |
33.528 |
1-3/4 -5 |
39.50 |
39.827 |
38.964 |
2 -4-1/2 |
45.20 |
45.593 |
44.679 |
英制螺纹 | ||
规格 |
钻孔径 | |
硬材 |
软材 | |
W1/8 - 40 |
2.65 |
2.60 |
W5/32 - 32 |
3.25 |
3.20 |
W3/16 - 24 |
3.75 |
3.70 |
W1/4 - 20 |
5.10 |
5.00 |
W5/16 - 18 |
6.60 |
6.50 |
W3/8 - 16 |
8.00 |
7.90 |
W7/16 - 14 |
9.40 |
9.30 |
W1/2 - 12 |
10.70 |
10.50 |
W9/16 - 12 |
12.30 |
12.00 |
W5/8 - 11 |
13.70 |
13.50 |
W3/4 - 10 |
16.70 |
16.50 |
W7/8 - 9 |
19.50 |
19.30 |
W1 - 8 |
22.40 |
22.00 |
W1-1/8 - 7 |
25.00 |
24.80 |
W1-1/4 - 7 |
28.30 |
28.00 |
英制管螺纹 | |||
规格 |
标准径 |
钻孔径 | |
最大 |
最小 | ||
PS1/16 -28 |
6.50 |
6.632 |
6.490 |
PS1/8 -28 |
8.50 |
8.637 |
8.495 |
PS1/4 - 19 |
11.40 |
11.549 |
11.341 |
PS3/8 - 19 |
15.00 |
15.054 |
14.846 |
PS1/2 - 14 |
18.50 |
18.773 |
18.489 |
PS3/4 - 14 |
24.00 |
24.259 |
23.975 |
PS1 - 11 |
30.20 |
30.471 |
30.111 |
PS1-1/4 -11 |
38.80 |
39.132 |
38.772 |
PS1-1/2 -11 |
44.80 |
45.025 |
44.665 |
PS2 - 11 |
56.50 |
56.836 |
56.476 |
英制管螺纹 | ||||
规格 |
标准径 |
有效牙部之长度(最小)中 之母螺牙内径 |
标准长度(最小)中 之母螺牙内径 | |
使用绞刀时 |
不用绞刀时 | |||
PT1/16 -28 |
6.10 |
6.2 |
6.244 |
6.384 |
PT1/8 -28 |
8.10 |
8.2 |
8.249 |
8.388 |
PT1/4 -19 |
10.70 |
11 |
10.962 |
11.174 |
PT3/8 -19 |
14.20 |
14.5 |
14.448 |
14.658 |
PT1/2 -14 |
17.60 |
18 |
17.979 |
18.263 |
PT3/4 -14 |
23.00 |
23.5 |
23.378 |
23.663 |
Pt1 -11 |
29.00 |
29.5 |
29.459 |
29.822 |
PT1-1/4 -11 |
37.50 |
38 |
37.976 |
38.339 |
PT1-1/2 -11 |
43.40 |
44 |
43.869 |
44.232 |
Pt2 -11 |
54.90 |
55.5 |
55.412 |
55.844 |
美制螺纹滚造径 | |||
规格 |
钻孔径 | ||
NPT |
NPS | ||
使用绞刀时 |
不用绞刀时 | ||
1/16 -27 |
6.1 |
6.25 |
6.35 |
1/8 -27 |
8.33 |
8.43 |
8.74 |
1/4 -18 |
10.72 |
11.13 |
11.13 |
3/8 -18 |
14.27 |
14.27 |
14.68 |
1/2 -14 |
17.48 |
17.86 |
18.26 |
3/4 -14 |
22.63 |
23.01 |
23.42 |
1 -11-1/2 |
28.58 |
28.98 |
29.36 |
1-1/4-11-1/2 |
37.31 |
37.69 |
38.1 |
1-1/2-11-1/2 |
43.66 |
44.04 |
44.45 |
2 -11-1/2 |
55.58 |
55.96 |
56.36 |
英制螺纹滚造径 | |
规格 |
滚造径 |
W 3/16 - 24 |
4.08 - 4.05 |
W 1/4 - 20 |
5.51 - 5.46 |
W 5/16 - 18 |
7.01 - 6.95 |
W 3/8 - 16 |
8.48 - 8.41 |
W 7/16 - 14 |
9.92 - 9.85 |
W 1/2 - 12 |
11.31 - 11.24 |
W 9/16 -12 |
12.89 - 12.82 |
公制螺纹 | |
规格 |
滚造径 |
M3.0×0.6 |
2.56 2.53 |
M3.5×0.6 |
3.06 3.03 |
M4.0×0.7 |
3.49 3.45 |
M4.0×0.75 |
3.45 3.41 |
M4.5×0.75 |
3.96 3.92 |
M5.0×0.8 |
4.43 4.38 |
M5.0×0.9 |
4.36 4.31 |
M6.0×1.0 |
5.30 5.25 |
M7.0×1.0 |
6.30 6.25 |
M8.0×1.0 |
7.28 - 7.23 |
M8.0×1.25 |
7.12 - 7.07 |
M9.0×1.25 |
8.12 - 8.07 |
M10×1.25 |
9.10 - 9.04 |
M10×1.5 |
8.97 - 8.91 |
M11×1.5 |
9.97 - 9.91 |
M12×1.5 |
10.92 - 10.87 |
M12×1.75 |
10.79 - 10.73 |
M14×2.0 |
12.63 - 12.56 |
M16×2.0 |
14.63 - 14.56 |
M18×2.5 |
16.31 - 16.23 |
M20×2.5 |
18.31 - 18.23 |
M22×2.5 |
20.31 - 20.23 |
针车用螺纹 | |
规格(UNC) |
滚造径 |
SM 1/8 40 |
2.735 -2.688 |
SM 1/8 44 |
2.769 -2.722 |
SM 9/64 40 |
3.128 -3.083 |
SM 11/64 40 |
3.855 -3.805 |
SM 3/16 32 |
4.205 -4.155 |
SM 3/16 28 |
4.143 -4.093 |
SM 7/32 32 |
5.003 -4.955 |
SM 15/64 28 |
5.325 -4.955 |
SM 1/4 40 |
5.890 -5.735 |
SM 1/4 28 |
5.721 -5.366 |
SM 9/32 28 |
6.528 -6.648 |
SM 11/32 28 |
8.092 -8.432 |
SM 3/8 29 |
8.880 -8.015 |
SM 7/16 30 |
10.466 -10.401 |
SM 7/16 16 |
10.037 -9.967 |
SM 1/2 20 |
11.819 -11.749 |
SM 9/16 20 |
13.400 -13.425 |
美制粗螺纹 | |
规格(UNC) |
滚造径 |
NO.5-40 |
2.70 - 2.67 |
NO.6-32 |
2.95 - 2.91 |
NO.8-32 |
3.60 - 3.57 |
NO.10-24 |
4.09 - 4.05 |
NO.12-24 |
4.75 - 4.70 |
1/4 -20 |
5.50 - 5.45 |
5/16 -18 |
6.98 - 6.93 |
3/8 -16 |
8.45 - 8.40 |
7/16 -14 |
9.89 - 9.83 |
1/2 -13 |
11.39 - 11.32 |
9/16 -12 |
12.87 - 12.80 |
美制细螺纹 | |
规格(UNF) |
滚造径 |
NO.5-44 |
2.73 - 2.70 |
NO.6-40 |
3.05 - 3.02 |
NO.8-36 |
3.66 - 3.63 |
NO.10-32 |
4.26 - 4.80 |
NO.12-28 |
4.84 - 4.80 |
1/4 -28 |
5.72 - 5.68 |
5/16 -24 |
7.20 - 7.16 |
3/8 -24 |
8.79 - 8.74 |
7/16 -20 |
10.23 - 10.18 |
1/2 -20 |
11.82 - 11.76 |
你们对这个如何看,在下面留言大家一起评
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