材质 
M3
0.5
5.5
5.34
2.2
1.8
0.96
1.3
0.8
0.3
6.3
M4
0.7
7
6.8
3
2.6
1.25
1.7
1.2
0.3
8.1
M5
0.8
8
7.8
8.24
7.76
1.45
2
1.5
0.3
9.2
M6
1
10
9.8
4.24
3.76
1.75
2.3
1.8
0.4
11.5
M8
1.25
14
13.76
5.74
5.26
2.25
2.8
2.3
0.4
16.2
M10
1.5
17
16.76
7.29
6.71
2.75
3.3
2.8
0.4
19.6
M12
1.75
19
18.72
8.29
7.71
3.25
3.85
3.25
0.6
21.9