材质 
M4
0.7
4
7
2.8
7.7
1
2.5
M5
0.8
5
8
3.5
8.8
1.2
2.5
M6
1
6
10
4
11.1
1.6
4
M8
1|1.25
8
13
5.3
14.4
2
4
M10
1.25|1.5
10
16
6.4
17.8
2.5
4
M12
1.25|1.75
12
18
7.5
20
3.2
5
M14
1.5|2
14
21
8.8
23.4
3.2
5
M16
1.5|2
16
24
10
26.8
4
6
M18
1.5|2.5
18
27
12
30.1
4
6
M20
1.5|2.5
20
30
12.5
33.5
4
6
M22
1.5|2.5
22
34
14
37.7
5
7
M24
2|3
24
36
15
40
5
7
M27
2|3
27
41
17
45.6
5
8
M30
2|3.5
30
46
18.7
51.3
6.3
9
M36
3|4
36
55
22.5
61.3
6.3
10
M42
3|4.5
42
65
26
72.6
8
12
M48
3|5
48
75
30
83.9
8
12