Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements
NORM herausgegeben am 1.5.2020
Designation standards: STN EN 4609
Classification mark: 313021
Catalog number: 130612
Publication date standards: 1.5.2020
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN