DIN EN 4071 : 2009 Title: Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, aluminium IVD coated - Classification: 1100 MPa (at ambient temperature) / 425 °C; German and English version EN 4071:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days