材质 
M5
0.8
5.070
5.145
12
10.9
4.0
2.0
6
5.52
M6
1
6.070
6.145
14
12.9
6.0
3.0
7
6.42
M8
1.25
8.080
8.170
18
16.9
6.0
3.0
9
8.42
M10
1.5
10.080
10.170
20
18.7
6.0
3.0
12
11.3
M12
1.75
12.095
12.205
25
23.7
9.0
4.5
14
13.3
M16
2
16.095
16.205
32
30.4
9.0
4.5
17
16.3
M20
2.5
18.095
18.205
40
38.4
9.0
4.5
22
21.16
M24
3
22.110
22.240
45
43.4
15.0
7.5
25
24.16
M27
3
24.110
24.240
50
48.4
15.0
7.5
27
26.16
M30
3.5
27.110
27.240
55
53.1
15.0
7.5
30
29
M33
3.5
30.110
30.240
60
58.1
22.4
12.8
34
33
M36
4
32.120
32.280
65
63.1
22.4
12.8
38
37
M39
4
35.120
35.280
70
68.1
22.4
12.8
41
40