材质 
M5
0.5|0.8
6.2
11.4
5
4.82
7.59
5.6
1.4
0.25
0.1
7
6.78
M6
0.75|1
7.5
13.6
6
5.82
8.71
6.9
1.6
0.26
0.11
8
7.78
M8
1|1.25
10
17
8
7.78
10.95
8.5
2.1
0.36
0.16
10
9.78
M10
1|1.25|1.5
12.5
20.8
10
9.78
14.26
9.7
2.1
0.45
0.2
13
12.73
M12
1|1.25|1.5|1.75
15.2
24.7
12
11.73
16.5
12.1
2.1
0.54
0.24
15
14.73
M14
1|1.5|2
17.7
28.6
14
13.73
19.86
12.9
2.1
0.63
0.28
18
17.73
M16
1|1.5|2
20.5
32.8
16
15.73
23.15
15.2
3.2
0.72
0.32
21
20.67