材质 
M6
1
6.8
11
10.57
14.2
13.1
4.2
6
5.7
0.25
7.4
3.4
3
M8
1.25
9.2
14.5
14.07
18
16.9
5.48
8
7.64
0.4
9.84
4.48
4
M10
1.5
11.2
17
16.57
22.3
21
6.78
10
9.64
0.4
11.7
5.48
5
M12
1.5|1.75
13.7
19
18.48
26.6
25.3
8.08
12
11.57
0.6
13.54
6.48
6
M14
1.5|2
15.7
22.5
21.98
30.5
28.9
9.48
14
13.57
0.6
15.99
7.58
7
M16
1.5|2
17.7
25.5
24.98
35
33.4
10.58
16
15.57
0.6
17.18
8.58
8