Suitable for aluminum frame Trench width
M
A
B
e
T
L
Quality g
No. (Suitable for aluminum frame series)
6
M3、M4
5.8
10
0.6
4.1
1
20
8
M3、M4、M5、M6
7.8
15
0.5
6.3
4
30
M4、M5、M6、M8
9.8
17
0.7
9.0
7
40、50