材质 
M6
1
6.8
4
3.82
8.79
4.85
5.15
0.25
8
7.78
3
3.25
M8
1.25
9.2
5.5
5.32
11.05
5.85
6.15
0.4
10
9.78
4
4.3
M10
1.5
11.2
7
6.78
14.38
6.82
7.18
0.4
13
12.73
5
5.3
M12
1.75
13.7
8.5
8.28
17.77
8.82
9.18
0.6
16
15.73
6
6.3
M16
2
17.7
12
11.73
19.92
10.79
11.21
0.6
18
17.73
8
8.36
M20
2|2.5
22.4
15
14.73
26.75
13.79
14.21
0.8
24
23.67
10
10.36
M24
2|3
26.4
18
17.73
33.53
16.79
17.21
0.8
30
29.67
12
12.43
M30
2|3.5
33.4
23
22.67
39.98
20.74
21.26
1
36
35.38
15
15.43
M36
3|4
39.4
28
27.67
51.28
24.74
25.26
1
46
45.38
18
18.43