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UNI 8181 Cross recessed countersunk (flat) head
Home
Standards
UNI 8181
Equivalent Standards
DIN 7997
CSN 21824
PN 82503
Dimensions for UNI 8181 Cross recessed countersunk (flat) head
d
b
k
d1
3
>= 0.6 x l
1.65
5.6
3.5
>= 0.6 x l
1.93
6.5
4
>= 0.6 x l
2.2
7.5
4.5
>= 0.6 x l
2.35
8.3
5
>= 0.6 x l
2.5
9.2
6
>= 0.6 x l
3
11
