Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements
STANDARD published on 1.6.2020
Designation standards: ČSN EN 4609
Classification mark: 313055
Catalog number: 509537
Publication date standards: 1.6.2020
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This European Standard specifies dimensions, tolerances, characteristics and qualification requirements for MORTORQ Spiral Drive Recesses1