:: ::
 
   
   
   
     
   
     
     
     
     
 
 

FLAT COUNTERSUNK HEAD



     
 
Screw diameter
Pitch
No. of philips recess
Flat Countersunk Head
D H
Basic Size
Tolerance Basic Size Tolerance
M2
0.4
1
4
0-0.4
1.2
0-0.2
(M2.2)
0.45
4.4
1.3
(M2.3)
0.4
4.6
1.35
M2.5
0.45
5
1.45
(M2.6)
0.45
5.2
1.65
M3
0.5
2
6
0-0.5
1.75
0-0.3
(M3.5)
0.6
7
2
M4
0.7
8
2.3
(M4.5)
0.75
9
0-0.6
2.55
M5
0.8
10
2.8
M6
1
3
12
0-0.7
3.4
0-0.4
M8
1.25
16
0-0.8
4.4