This standard specifies the characteristics of screws, cap head, hexagon socket, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated. Classification: 1 100 MPa/235°C.
DS/EN 3303:1997 history
1997DS/EN 3303:1997 Aerospace series - Screws, cap head, hexagon socket, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235°C