Norm
[AKTUELL]
UNE-EN 4609
UNE-EN 4609
Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements (Endorsed by Asociación Española de Normalización in December of 2019.)
Titel (englisch)
Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements (Endorsed by Asociación Española de Normalización in December of 2019.)