材质 
M10
1.5
17.59
5
4.7
16
15.57
M12
1.75
19.85
6
5.7
18
17.57
M16
2
26.17
8
7.42
24
23.16
M18
2.5
29.56
9
8.42
27
26.16
M20
2.5
32.95
10
9.1
30
29.16
M22
2.5
37.29
11
9.9
34
33
M24
3
39.55
12
10.9
36
35
M27
3
45.2
13.5
12.4
41
40
M30
3.5
50.85
15
13.9
46
5
M33
3.5
55.37
16.5
15.4
50
49
M36
4
60.79
18
16.9
55
53.8
M39
4
66.44
19.5
18.2
60
58.8
M42
4.5
71.3
21
19.7
65
63.1
M45
4.5
76.95
22.5
21.2
70
68.1
M48
5
82.6
24
22.7
75
73.1
M52
5
88.25
26
24.7
80
78.1
M56
5.5
93.56
28
26.7
85
82.8
M60
5.5
99.21
30
28.7
90
87.8
M64
6
104.86
32
30.4
95
92.8