材质 
M3
0.5
1.4
1.8
3.8
3.68
2.8
5.8
3
2.75
5.5
5.38
0.3
5
M3.5
0.6
1.5
1.8
4.5
4.38
3.5
6.1
3.5
3.2
6
5.88
0.3
5.5
M4
0.7
1.5
2.5
5
4.88
4
6.9
4
3.7
7
6.85
0.4
6
M5
0.8
1.8
3
6.4
6.25
5
8.1
5
4.7
8.3
8.15
0.6
7
M6
1
2
3.5
7.4
7.25
6
10.4
6
5.7
9.8
9.65
0.6
9
M8
1.25
2.8
4.5
10.4
10.22
7
12.7
8
7.64
12.6
12.42
0.6
11
M10
1.5
3.5
5
13
12.82
10
16.2
10
9.64
15
14.82
0.6
14
M12
1.75
4
6
17
16.82
12
21.9
12
11.57
17.8
17.62
0.6
19