DIN EN 4501 : 2007 Title: Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1100 MPa (at ambient temperature) / 315 °C; German and English version EN 4501:2006 Year: 2007 Publisher: DIN Media GmbH Availability: Within 1-2 working days