DIN97
Slotted  Countersunk Head Wood Screw ۳ͷľݶ
            ̼        ̼
Ʊ            п       п
 
Thread
2.5
3
3.5
4
4.5
5
6
d2
4.7
5.6
6.5
7.5
8.3
9.2
11
k max
1.5
1.65
1.93
2.2
2.35
2.5
3
n
0.6
0.8
0.8
1
1
1.2
1.6
t
max
0.7
0.85
1
1.1
1.2
1.3
1.6
min
0.5
0.6
0.7
0.8
0.9
1
1.2
L
10-80
[رմ] [ӡҳ]