Aerospace series - Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1100 MPa/235 °C; German version EN 2897:1996— 9 стр.
Timber structures; testing of joints made with mechanical fasteners; requirements for wood density (ISO 8970:1989); german version EN 28970:1991— 4 стр.