材质 
M6
1
10
9.87
6.8
3.9
3.6
0.25
T30
2
1.6
4.15
M8
1.25
13
12.73
9.2
5
4.7
0.4
T40
2.6
2.2
5
M10
1.5
16
15.73
11.2
6
5.7
0.4
T50
3
2.6
6.62
M12
1.75
18
17.73
14.2
7
6.64
0.6
T55
3.8
3.32
8.2
M14
2
21
20.67
16.2
9
8.64
0.6
T55
4
3.52
8.2
M16
2
24
23.67
18.2
11
10.57
0.6
T60
4.5
4.02
9.8
M20
2.5
30
29.67
22.4
13
12.57
0.8
T80
7
6.42
13