材质 
M4
0.7
8.1
2.5
7
6.78
0.3
M5
0.8
9.2
2.5
8
7.78
0.4
M6
1
11.5
3
10
9.78
0.4
M8
1.25
15
3.5
13
12.73
0.5
M10
1.5
19.6
4
17
16.73
0.5
M12
1.75
21.9
4.5
19
18.67
0.6
M14
2
25.4
5
22
21.67
0.6
M16
2
27.7
5
24
23.67
0.7
M18
2.5
31.2
5.5
27
26.67
0.7
M20
2.5
34.6
6
30
29.67
0.8
M22
2.5
36.9
6
32
31.61
0.8
M24
3
41.6
7
36
35.61
0.9
M27
3
47.3
7
41
40.61
1
M30
3.5
53.1
8
46
45.61
1.1
M33
3.5
57.7
8
50
49.61
1.2
M36
4
63.5
9
55
54.54
1.3
M39
4
69.3
9
60
59.54
1.3
M42
4.5
75
11
65
64.54
1.4
M45
4.5
80.8
12
70
69.54
1.5
M48
5
86.5
14
75
74.54
1.6
M52
5
92.4
16
80
79.54
1.7