DIN EN 4074 : 2009 Title: Aerospace series - Screws, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in titanium alloy, aluminium IVD coated - Classification: 1100 MPa (at ambient temperature)/425 °C; German and English version EN 4074:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days