
Aerospace series - External spiral drive heads for threaded fasteners - Geometrical definition and fastener head wrenching configuration
STANDARD published on 1.11.2019
Designation standards: STN EN 4852
Classification mark: 313186
Catalog number: 129450
Publication date standards: 1.11.2019
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN