DIN EN 4073 : 2016 Title: Aerospace series - Screws, pan head, hexalobular recess, coarse tolerance shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature) / 235 °C; German and English version EN 4073:2016 Year: 2016 Publisher: DIN Media GmbH Availability: Within 1-2 working days