螺纹公称尺寸
M×P |
推荐
钻头直径
D |
|
| 最小直径 |
最大直径 |
| M2× 0.4 |
1.83 |
1.81 |
1.85 |
| M2.2× 0.45 |
2.00 |
1.98 |
2.03 |
| M2.5× 0.45 |
2.30 |
2.28 |
2.33 |
| M3× 0.5 |
2.78 |
2.76 |
2.81 |
| M4× 0.7 |
3.68 |
3.65 |
3.70 |
| M5× 0.8 |
4.63 |
4.59 |
4.66 |
| M6× 1 |
5.53 |
5.48 |
5.57 |
| M7× 1 |
6.53 |
6.48 |
6.57 |
| M8× 1.25 |
7.39 |
7.34 |
7.41 |
| M8× 1 |
7.53 |
7.48 |
7.57 |
| M10× 1.5 |
9.24 |
9.18 |
9.28 |
| M10× 1.25 |
9.39 |
9.34 |
9.41 |
| M10× 1 |
9.53 |
9.48 |
9.57 |
|
螺纹公称尺寸
M×P |
推荐
钻头直径
D |
|
| 最小直径 |
最大直径 |
| M12× 1.75 |
11.12 |
11.05 |
11.15 |
| M12× 1.5 |
11.24 |
11.18 |
11.28 |
| M12× 1.25 |
11.39 |
11.34 |
11.41 |
| M14× 2 |
13.00 |
12.92 |
13.04 |
| M14× 1.5 |
13.27 |
13.21 |
13.30 |
| M16× 2 |
15.00 |
14.92 |
15.04 |
| M16× 1.5 |
15.27 |
15.21 |
15.30 |
| M18× 2.5 |
16.73 |
16.63 |
16.78 |
| M18× 1.5 |
17.28 |
17.22 |
17.31 |
| M20× 2.5 |
18.73 |
18.63 |
18.78 |
| M20× 1 |
19.28 |
19.22 |
19.31 |
|
