材质 
M6
1
11.3
10.87
1.4
3.3
T30
4.15
1.8
1.4
M8
1.25
15.8
15.37
2
4.65
T45
5
2.5
2.1
M10
1.5
18.3
17.78
2.3
5
T50
6.62
2.7
2.3
M12
1.75
22
21.5
3
6
T55
8.2
3.5
3.02
M14
2
25.5
25
3.5
7
T55
8.2
3.7
3.22
M16
2
29
28.5
4
8
T60
9.8
4.1
3.62
M20
2.5
36
35.4
5
10
T80
13
6
5.42