This document specifies the characteristics of screws with 100° countersunk head, offset cruciform recess, threaded to head, in FE-PA92HT, for aerospace applications.
Classification: 900 MPa1/650 °C2.
BS EN 2939:2024 history
2024BS EN 2939:2024 Aerospace series. Screw, 100° countersunk head, offset cruciform recess, threaded to head, in heat resisting steel FE-PA92HT (A286). Classification: 900 MPa (at ambient temperature)/650 °C
1994BS EN 2939:1994 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