Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements (Endorsed by Asociación Espanola de Normalización in December of 2019.)
NORMA vydána dne 1.12.2019
Designation standards: UNE-EN 4609:2019
Publication date standards: 1.12.2019
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE