Aerospace series - Bolt, normal hexagonal head, coarse tolerance normal shank, medium length thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1 250 MPa (at ambient temperature) / 425 °C (Endorsed by Asociación Espanola de Normalización in October of 2026.)
STANDARD published on 1.10.2026
Designation standards: UNE-EN 4131:2026
Publication date standards: 1.10.2026
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Spanish technical standard
Category: Technical standards UNE