材质 
M6
1
11.3
10.9
3.3
T30
5.6
1.8
1.4
M8
1.25
15.8
15.4
4.65
T40
6.75
2.5
2.1
M10
1.5
18.3
17.8
5
T50
8.95
2.7
2.3
M12
1.75
22
21.5
6
T55
11.358
3.5
3.02
M14
2
25.5
25
7
T55
11.35
3.7
3.22
M16
2
29
28.5
8
T60
13.45
4.1
3.62
M20
2.5
36
35.4
10
T80
17.75
6
5.42