DIN 7991 has been withdrawn and replaced by ISO 10642. There is some limited similarity (some head heights and head diameters changed | Nominal diameters M18, M22, M24 removed | Strength classes 10.9 and 12.9 added).
These screws can only be subjected to limited loads due to their head geometry, see DIN EN ISO 3506-1
Würth Catalogue(2)
Catalogue page as PDF 1 | 2 | 3 | 4 | 5
Flip catalog
Datasheets(1)
CAD Data (available after login)
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