材质 
M8
1.25
20
36
20
6
2.5
6
5.82
36
8
10
12.71
13.29
M10
1.5
25
45
25
8
3
7.7
7.48
45
10
12
16.71
17.29
M12
1.75
30
54
30
10
3.5
9.4
9.18
53
12
14
20.15
20.85
M16
2
35
63
35
12
4
13
12.73
62
14
16
26.65
27.35
M20
2.5
40
72
40
14
5
16.4
16.13
71
16
19
29.58
30.42
M24
3
50
90
50
18
6
19.6
19.27
90
20
24
35.5
36.5
M30
3.5
65
108
60
22
7
25
24.67
109
24
28
44.5
45.5
M36
4
75
126
70
26
8
30.3
29.91
128
28
32
53.5
54.5
M42
4.5
85
144
80
30
9
35.6
35.21
147
32
38
62.5
63.5
M48
5
100
166
90
35
10
41
40.61
168
38
46
67.5
68.5
M56
5.5
110
184
100
38
11
48.3
47.91
187
42
50
77.4
78.6
M64
6
120
206
110
42
12
55.7
55.24
208
48
58
89.4
90.6
M72
6
150
260
140
50
12
63.7
63.24
260
60
72
99.4
100.6
M80
6
170
296
160
55
12
71.7
71.24
298
68
80
111.3
112.7
M100
6
190
330
180
60
12
91.7
91.16
330
75
88
129.3
130.7