unit:mm
M Coarse thread
L
D
B
( C )
H
h
t
m
M4
15
20
25
30
35
40
5
7
8.1
2.8
1.5
2.4
M5
6
8
9.2
3.5
3.2
M6
45
50
10
11.5
4
2
3.6
M8
13
5.5
M10
17
19.6