
Aerospace series - External spiral drive heads for threaded fasteners - Geometrical definition and fastener head wrenching configuration
STANDARD published on 1.11.2019
Designation standards: ÖNORM EN 4852
Publication date standards: 1.11.2019
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM