DIN EN 3323 : 2009 Title: Aerospace series - Bolts with double hexagon head, relieved shank long thread - In heat resisting steel FE-PM38 (FV 535) Classification: 1000 MPa/550 °C; German and English version EN 3323:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days