材质 
M12
1.75
15
18.5
18
17.38
12.35
11.65
7.15
5.65
0.8
15.2
3.3
3
2.8
2.2
2.3
1.7
M14
2
17
21
21
20.38
14.35
13.65
8.25
6.75
0.8
17.2
3.3
3
2.8
2.2
2.3
1.7
M16
2
20
24
24
23.48
16.35
15.65
10.75
9.25
0.8
19.2
3.3
3
2.8
2.2
2.3
1.7
M20
2.5
25
30
30
29.48
20.42
19.58
13.4
11.6
1
24.4
5.3
5
3.3
2.7
2.8
2.2
M24
3
30
36
36
35.38
24.42
23.58
15.9
14.1
1
28.4
5.3
5
3.3
2.7
2.8
2.2
M27
3
33
39
41
40.38
27.42
26.58
17.9
16.1
1.5
32.4
6.3
6
4.38
3.62
3.3
2.7
M30
3.5
37
44
46
45.38
30.42
29.58
19.75
17.65
1.5
35.4
6.3
6
4.38
3.62
3.3
2.7
M36
4
44
52
55
54.26
36.5
35.5
23.55
21.45
1.5
42.4
8.36
8
5.38
4.62
4.38
3.62
M39
4
47
55
60
59.26
39.5
38.5
26.05
23.95
2
45.4
8.36
8
5.38
4.62
4.38
3.62
M42
4.5
50
59
65
64.26
42.5
41.5
27.05
24.95
2
48.6
8.36
8
5.38
4.62
4.38
3.62
M45
4.5
55
64
70
69.26
45.5
44.5
29.05
26.95
2
52.6
8.36
8
5.38
4.62
4.38
3.62
M48
5
58
68
75
74.26
48.5
47.5
31.05
28.95
2
56.6
8.36
8
5.38
4.62
4.38
3.62
M56
4
66
74
90
89.13
56.6
55.86
36.25
33.75
2.5
67
8.36
8
5.38
4.62
4.38
3.62
M60
4
70
78
95
94.13
60.6
59.86
39.25
36.75
2.5
71
8.36
8
5.38
4.62
4.38
3.62
M64
4
74
82
100
99.13
64.6
63.86
41.25
38.75
2.5
75
8.36
8
5.38
4.62
4.38
3.62
M68
4
78
86
100
99.13
68.68
67.94
46.39
43.56
2.5
79
8.36
8
5.38
4.62
4.38
3.62
M72
4
83
91
105
104.13
72.72
71.98
46.39
43.56
3
83
8.36
8
5.38
4.62
4.38
3.62
M76
4
87
95
110
109.13
76.76
76.02
51.55
48.4
3
87
8.36
8
5.38
4.62
4.38
3.62
M80
4
92
100
125
124
80.8
80.06
56.71
53.24
3
91
8.36
8
5.38
4.62
4.38
3.62
M85
4
98
106
125
124
85.85
84.98
56.71
53.24
3
96
8.36
8
5.38
4.62
4.38
3.62