DIN EN 4499 : 2009 Title: Aerospace series - Screws, 100° countersunk reduced head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, Classification: 1100 MPa (at ambient temperature)/315 °C; German and English version EN 4499:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days