DIN 65284 : 1987 Title: Aerospace; countersunk head screws, with ribbed TORQ-SET (ACR) recess and MJ thread, fully threaded, corrosion-resisting steel, nominal tensile strength 1100 MPa, for temperatures up to 425 °C Year: 1987 Publisher: DIN Media GmbH Availability: Within 1-2 working days