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STN EN 4609 (313021)

Aerospace series - Spiral drive recesses for threaded fasteners - Geometrical definition and technical requirements

STANDARD published on 1.5.2020

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The information about the standard:

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
Category: Technical standards STN