DIN EN 2939 : 1994 Title: Aerospace series - Screws, 100° countersunk head, offset cruciform recess, threaded to head, in heat resisting steel FE-PA92HT (A286) - Classification: 900 MPa (at ambient temperature)/650 °C; German version EN 2939:1994 Year: 1994 Publisher: DIN Media GmbH Availability: Within 1-2 working days