材质 
M5
0.5|0.8
8.79
6.9
6.6
1.4
2
8
7.85
5.1
4.8
M6
0.75|1
11.05
8.3
7.94
2
2.6
10
9.78
5.7
5.4
M8
1|1.25
14.38
10
9.64
2.5
3.1
13
12.73
7.5
7.14
M10
1|1.25|1.5
17.77
12.3
11.87
2.8
3.4
16
15.73
9.3
8.94
M12
1|1.25|1.5|1.75
20.03
16
15.57
3.5
4.25
18
17.73
12
11.57
M14
1|1.5|2
23.36
19.1
18.58
3.5
4.25
21
20.67
14.1
13.4
M16
1|1.5|2
26.75
21.1
20.58
4.5
5.7
24
23.67
16.4
15.7
M20
1.5|2|2.5
32.95
26.3
25.46
4.5
5.7
30
29.16
20.3
19
M24
1.5|2|3
39.55
31.9
31.06
5.5
6.7
36
35
23.9
22.6
M30
1.5|2|3.5
50.85
37.6
36.7
7
8.5
46
45
28.6
27.3
M36
1.5|2|3|4
60.79
43.7
42.7
7
8.5
55
53.8
34.7
33.1