材质 
M3
0.5
0.9
1.2
5.8
3
2.9
0.3
5
M3.5
0.6
1
1.4
6.1
3.5
3.38
0.3
5.5
M4
0.7
1.2
1.4
6.9
4
3.88
0.4
6
M5
0.8
1.6
1.8
8.1
5
4.88
0.6
7
M6
1
1.8
2.4
10.4
6
5.88
0.6
9
M8
1.25
2
4
12.7
8
7.85
0.6
11
M10
1.5
3
4
16.2
10
9.85
0.6
14
M12
1.75
3.5
5
21.9
12
11.82
0.6
19