材质 
M5
0.8
8.5
8.4
5.7
5
4.82
0.2
T30
5.6
2.4
M6
1
10
9.9
6.8
6
5.7
0.25
T40
6.75
3
M8
1.25
13
12.88
9.2
8
7.64
0.4
T50
8.95
4
M10
1.5
16
15.88
11.2
10
9.64
0.4
T55
11.35
4.9
M12
1.75
18
17.85
13.7
12
11.57
0.6
T60
13.45
6
M14
2
21
20.85
15.7
14
13.57
0.6
T70
15.7
7
M16
2
24
23.85
17.7
16
15.57
0.6
T80
17.5
7.7
M20
2.5
30
29.8
22.4
20
19.48
0.8
T100
22.4
10