材质 
M5
0.8
8.63
5.6
4.4
8
7.64
M6
1
10.89
6.4
4.9
10
9.64
M8
1.25
14.2
7.9
6.4
13
12.57
M10
1.5
17.59
9.5
8
16
15.57
M12
1.75
19.85
12.2
10.4
18
17.57
M14
2
22.78
13.9
12.1
21
20.16
M16
2
26.17
15.9
14.1
24
23.16
M18
2.5
29.56
16.9
15.1
27
26.16
M20
2.5
32.95
19
16.9
30
29.16
M22
2.5
37.29
20.2
18.1
34
33
M24
3
39.55
22.3
20.2
36
35
M27
3
45.2
24.7
22.6
41
40
M30
3.5
50.85
26.4
24.3
46
45
M33
3.5
55.37
29.5
27.4
50
49
M36
4
60.79
31.9
29.4
55
53.8
M39
4
66.44
34.3
31.8
60
58.8
M42
4.5
71.3
34.9
32.4
65
63.1
M45
4.5
76.95
36.9
34.4
70
68.1
M48
5
82.6
38.9
36.4
75
73.1
M52
5
88.25
42.9
40.4
80
78.1
M56
5.5
93.56
45.9
43.4
85
82.8
M60
5.5
99.21
48.9
46.4
90
87.8
M64
6
104.86
52.4
49.4
95
92.8