DIN EN 3379 : 1996 Title: Aerospace series - Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy), for increased height nuts - Classification: 1210 MPa (at ambient temperature)/730 °C; German version EN 3379:1996 Year: 1996 Publisher: DIN Media GmbH Availability: Within 1-2 working days