DIN EN 3831 : 2005 Title: Aerospace series - Inserts, thickwall, self-locking, MJ threads, in heat resisting steel FE-PM3801 (17-4PH), MoS<(Index)2> coated; German and English version EN 3831:2004 Year: 2005 Publisher: DIN Media GmbH Availability: Within 1-2 working days