材质 
M5
0.5|0.8
8.79
5.1
4.8
2
1.4
8
7.78
3.1
2.8
M6
0.75|1
11.05
5.7
5.4
2.6
2
10
9.78
3.5
3.2
M8
1|1.25
14.38
7.5
7.14
3.1
2.5
13
12.73
4.5
4.2
M10
1|1.25|1.5
17.77
9.3
8.94
3.4
2.8
16
15.73
5.3
5
M12
1|1.25|1.5|1.75
20.03
12
11.57
4.25
3.5
18
17.73
7
6.64
M14
1|1.5|2
23.36
14.1
13.4
4.25
3.5
21
20.67
9.1
8.74
M16
1|1.5|2
26.75
16.4
15.7
5.7
4.5
24
23.67
10.4
9.97
M20
1.5|2|2.5
32.95
20.3
19
5.7
4.5
30
29.16
14.3
13.87
M24
1.5|2|3
39.55
23.9
22.6
6.7
5.5
36
35
15.9
15.41
M30
1.5|2|3.5
50.85
28.6
27.3
8.5
7
46
45
19.6
19.08
M36
1.5|2|3|4
60.79
34.7
33.1
8.5
7
55
53.8
23.7
23.18