材质 
M5
0.8
5.03
5
12
10.9
8
7.52
5
M6
1
6.03
6
14
12.9
9
8.52
6
M8
1.25
8.036
8
18
16.9
11
10.3
8
M10
1.5
10.036
10
20
18.7
14
13.3
10
M12
1.75
12.043
12
25
23.7
17
16.3
12
M16
2
16.043
16
32
30.4
19
18.16
16
M20
2.5
18.043
18
40
38.4
24
23.16
20
M24
3
22.052
22
45
43.4
28
27.16
24
M27
3
25.052
25
50
48.4
30
29.16
27
M30
3.5
28.052
28
55
53.1
34
33
30
M33
3.5
30.052
30
60
58.1
38
37
33
M36
4
32.062
32
65
63.1
41
40
36
M39
4
35.062
35
70
68.1
46
45
39