材质 
M4
0.7
10.5
4
3.9
7.74
0.95
0.65
3.6
0.2
7
6.8
4.7
M5
0.8
12
5
4.9
8.87
1.15
0.85
4.5
0.2
8
7.8
5.7
M6
1
14
6
5.9
11.05
1.4
1
5.4
0.25
10
9.8
6.8
M8
1|1.25
17.5
8
7.85
13.25
1.6
1.25
6.9
0.4
12
11.75
9.2
M10
1.25|1.5
21
10
9.85
15.51
1.85
1.35
8.5
0.4
14
13.75
11.2
M12
1.5|1.75
25
12
11.8
18.9
2.25
1.75
10.2
0.6
17
16.75
14.2