材质 
M6
1
12.1
10.3
6
5.35
2.7
2.3
2.7
2.3
4.08
3.2
6.48
5.52
4
0.5
M8
1.25
15.1
13.3
8
7.19
2.7
2.3
3.2
2.8
5.28
4.4
8.58
7.42
5
0.5
M10
1.5
18.1
16.3
10
9.03
3.8
3.2
3.8
3.2
6.48
5.6
10.58
9.42
6
0.5
M12
1.75
22.3
20.16
12
10.86
3.8
3.2
4.3
3.7
8.9
7.55
12.7
11.3
7
0.8
M14
2
25.3
23.16
14
12.70
4.8
4.2
5.3
4.7
9.9
8.55
14.7
13.3
8
0.8
M16
2
29.3
27.16
16
14.70
4.8
4.2
5.3
4.7
10.9
9.55
16.7
15.3
9
1
M20
2.5
35.6
33
20
18.38
4.8
4.2
6.3
5.7
13.1
11.45
20.84
19.16
11
1
M24
3
43.6
41
24
22.05
6.3
5.7
7.4
6.6
17.1
15.45
24.84
23.16
13
1.5