材质 
M12
1.75
15.2
26.6
12
11.73
19.68
10.4
3
0.25
18
17.57
M14
2
17.7
30.5
14
13.73
22.58
12.4
3
0.3
21
20.16
M16
2
20.7
35
16
15.73
25.94
14.1
3
0.35
24
23.16
M18
2.5
23.2
39
18
17.73
29.56
15.9
3
0.37
27
26.16
M20
2.5
25.7
43
20
19.67
32.6
17.7
4
0.4
30
29.16
M22
2.5
28
47
22
21.67
37.29
19.5
4
0.5
34
33
M24
3
30.3
51
24
23.67
39.55
21.4
4
0.6
36
35
M27
3
34.6
57
27
26.67
45.2
24.1
4
0.7
41
40
M30
3.5
37.9
63
30
29.67
50.85
26
4
0.8
46
45
M33
3.5
41.2
70
33
32.61
55.37
29.5
5
0.9
50
49
M36
4
44.6
77
36
35.61
60.79
31.7
5
1
55
53.8
M39
4
47.8
83
39
38.61
66.44
33.5
5
1.1
60
58.8
M42
4.5
51.4
90
42
41.61
70.02
37.4
5
1.2
65
63.8