材质 
M6
1
5.35
6
5.82
3
10
4.2
11
M8
1|1.25
7.19
8
7.78
4
12
5.3
13.2
M10
1.25|1.5
9.03
10
9.78
5
14
6.4
15.5
M12
1.25|1.75
10.86
12
11.73
6
17
7.5
18.9
M14
1.5|2
12.70
14
13.73
7
19
8.8
21.1
M16
1.5|2
14.70
16
15.73
8
22
10
24.5
M18
1.5|2.5
16.38
18
17.73
9
24
12
26.8
M20
1.5|2.5
18.38
20
19.67
10
27
12.5
30.1
M22
1.5|2.5
20.38
22
21.67
11
30
14
33.5
M24
2|3
22.05
24
23.67
12
32
15
35.7
M27
2|3
25.05
27
26.67
14
36
17
40
M30
2|3.5
27.73
30
29.67
15
41
18.7
45.6
M36
3|4
33.40
36
35.61
18
50
22.5
55.8
M42
3|4.5
39.08
42
41.61
21
60
26
67
M48
3|5
44.75
48
47.61
24
70
30
78.3