DIN EN 4673-004 : 2011 Title: Aerospace series - Inserts, UNJ threads, self-locking, with self-broaching keys - Part 004: In heat resisting nickel base alloy NI-P100HT (Inconel 718), silver plating; German and English version EN 4673-004:2010 Year: 2011 Publisher: DIN Media GmbH Availability: Within 1-2 working days