DIN EN 4117 : 2006 Title: Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated on thread - Classification: 1550 MPa (at ambient temperature) / 600 °C; German and English version EN 4117:2004 Year: 2006 Publisher: DIN Media GmbH Availability: Within 1-2 working days