DIN EN 3686 : 2009 Title: Aerospace series - Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 1100 MPa/650 °C; German and English version EN 3686:2008 + AC:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days