Countersunk screw with hexagon socket head DIN 7991, blue passivated zinc plated 8.8 steel (A2K)

Name: Countersunk screw with hexagon socket head DIN 7991, blue passivated zinc plated 8.8 steel (A2K)
Brand: Würth
SKU: 412214 30

DIN 7991 steel 08.8 steel zinc plated
SCR-CS-DIN7991-08.8-HS2,5-(A2K)-M4X30

Art.-no. 412214 30

EAN 4054458589774

All versions

Specification

Notice

Manufactured in accordance with DIN 7991. DIN 7991 has been withdrawn and replaced by ISO 10642. There is some limited similarity. (Some head heights and head diameters changed | nominal diameter M18, M22, M24) For new designs, it is recommended to use the more common ISO version.

Countersinking angle:

M3 - M20: 90°

M22 and M24: 60°

Due to their head geometry, these screws can only be subjected to limited loads, see DIN EN ISO 898-1

Technical information

Thread type x nominal diameter (d₁)	M4
Length (l₁)	30 mm
Head diameter (d_k)	8 mm
Head height (k₁)	2.3 mm
Internal drive (s₁)	HS2.5
Standards	DIN 7991
Material	Steel
Property class	08.8
Surface	Zinc plated
RoHS-compliant	Yes
Head type	Countersunk head
Drive type	Hexagon socket
Thread type	Metric thread
Thread form	Standard metric thread
Product class	A