DIN EN 4163 : 2016 Title: Aerospace series - Screws 100° countersunk normal head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature) / 235 °C; German and English version EN 4163:2016 Year: 2016 Publisher: DIN Media GmbH Availability: Within 1-2 working days