材质 
M6
1
5.35
6
5.52
3
10
4.2
10.9
M8
1.25
7.19
8
7.42
4
12
5.3
13.1
M10
1.5
9.03
10
9.42
5
14
6.4
15.3
M12
1.75
10.86
12
11.3
6
17
7.5
18.7
M14
2
12.70
14
13.3
7
19
8.8
20.9
M16
2
14.70
16
15.3
8
22
10
23.9
M18
2.5
16.38
18
17.3
9
24
12
26.2
M20
2.5
18.38
20
19.16
10
27
12.5
29.6
M22
2.5
20.38
22
21.16
11
30
14
33
M24
3
22.05
24
23.16
12
32
15
35
M27
3
25.05
27
26.16
14
36
17
39.6
M30
3.5
27.73
30
29.16
15
41
18.7
45.2
M36
4
33.40
36
35
18
50
22.5
55.4
M42
4.5
39.08
42
41
21
60
26
66.4
M48
5
44.75
48
47
24
70
30
76.9