材质 
M6
1
11.05
5.2
4.9
10
9.78
0.26
M8
1
14.38
6.8
6.44
13
12.73
0.3
M10
1.25
17.77
8.4
8.04
16
15.73
0.35
M12
1.75
20.03
10.8
10.37
18
17.73
0.39
M33
3.5
55.37
28.7
27.4
50
49
0.7
M36
4
60.79
31
29.4
55
53.8
0.8
M39
4
66.44
33.4
31.8
60
58.8
0.9
M42
4.5
71.3
34
32.4
65
63.1
1