Aerospace series. Bolts, double hexagonal head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy), for increased hight nuts. Classification: 1 210 MPa (at ambient temperature)/730 °C
NORM herausgegeben am 1.5.1999
Designation standards: STN EN 3379
Classification mark: 313181
Catalog number: 13449
Publication date standards: 1.5.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN
Táto norma stanovuje charakteristické vlastnosti skrutiek s dvanásťhrannou hlavou, tesným driekom, stredne dlhým závitom, zo zliatiny NI-P101HT, na vysoké matice, na použitie v letectve.