呼び |
ドリル径 |
Max. |
Min. |
M1×0.25 |
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 |
1.1 |
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 |
M2×0.4 |
1.6 |
1.679 |
1.567 |
M2.2×0.45 |
1.75 |
1.838 |
1.713 |
M2.3×0.4 |
1.9 |
1.979 |
1.867 |
M2.5×0.45 |
2.1 |
2.138 |
2.013 |
M2.6×0.45 |
2.2 |
2.238 |
2.113 |
M3×0.5 |
2.5 |
2.599 |
2.459 |
M3.5×0.6 |
2.9 |
3.010 |
2.850 |
M4×0.7 |
3.3 |
3.422 |
3.242 |
M4.5×0.75 |
3.8 |
3.878 |
3.688 |
M5×0.8 |
4.2 |
4.334 |
4.134 |
M6×1 |
5.0 |
5.153 |
4.917 |
M7×1 |
6.0 |
6.153 |
5.917 |
M8×1.25 |
6.8 |
6.912 |
6.647 |
M9×1.25 |
7.8 |
7.912 |
7.647 |
M10×1.5 |
8.5 |
8.676 |
8.376 |
M11×1.5 |
9.5 |
9.676 |
9.376 |
M12×1.75 |
10.3 |
10.441 |
10.106 |
M14×2 |
12.0 |
12.210 |
11.835 |
M16×2 |
14.0 |
14.210 |
13.835 |
M18×2.5 |
15.5 |
15.744 |
15.294 |
M20×2.5 |
17.5 |
17.744 |
17.294 |
M22×2.5 |
19.5 |
19.744 |
19.294 |
M24×3 |
21.0 |
21.252 |
20.752 |
M27×3 |
24.0 |
24.252 |
23.752 |
M30×3.5 |
26.5 |
26.771 |
26.211 |
M33×3.5 |
29.5 |
29.771 |
29.211 |
M36×4 |
32.0 |
32.270 |
31.670 |
M39×4 |
35.0 |
35.270 |
34.670 |
M42×4.5 |
37.5 |
37.799 |
37.129 |
M45×4.5 |
40.5 |
40.799 |
40.129 |
M48×5 |
43.0 |
43.297 |
42.587 |