材质 
M12
1.75
25
4.1
3.8
14.7
12.7
11.3
19.85
7.95
7.05
6
0.6
18
17.57
M16
2
25
6.1
5.8
18.7
16.7
15.3
26.17
10.75
9.25
6
0.6
24
23.16
M18
2.5
30
6.1
5.8
21.2
18.7
17.3
29.56
12.4
10.6
6
0.6
27
26.16
M20
2.5
35
6.1
5.8
24.4
20.84
19.16
32.95
13.4
11.6
8
0.8
30
29.16
M22
2.5
35
6.1
5.8
26.4
22.84
21.16
37.29
14.9
13.1
8
0.8
34
33
M24
3
35
6.1
5.8
28.4
24.84
23.16
39.55
15.9
14.1
8
0.8
36
35
M27
3
40
7.7
7.3
32.4
27.84
26.16
45.2
17.9
16.1
10
1
41
40
M30
3.5
45
7.7
7.3
35.4
30.84
29.16
50.85
19.75
17.65
10
1
46
45
M33
3.5
50
7.7
7.3
38.4
34
32
55.37
22.05
19.95
10
1
50
49
M36
4
50
7.7
7.3
42.4
37
35
60.79
23.55
21.45
10
1
55
53.8
M39
4
55
9.2
8.8
45.4
40
38
66.44
26.05
23.95
12
1
60
58.8
M42
4.5
55
9.2
8.8
48.6
43
41
71.3
27.05
24.95
12
1.2
65
63.1
M45
4.5
60
9.2
8.8
52.6
46
44
76.95
29.05
26.95
12
1.2
70
68.1
M48
5
60
9.2
8.8
56.6
49
47
82.6
31.05
28.95
12
1.6
75
73.1
M52
5
70
9.2
8.8
62.6
53.2
50.8
88.25
34.25
31.75
15
1.6
80
78.1
M56
5.5
70
9.2
8.8
67
57.2
54.8
93.56
36.25
33.75
15
2
85
82.8
M60
5.5
75
9.2
8.8
71
61.2
58.8
99.21
39.25
36.75
15
2
90
87.8
M64
6
80
9.2
8.8
75
65.2
62.8
104.86
41.25
38.75
15
2
95
92.8