Cite
MLA Citation
British Standards Institution,. Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa (at ambient temperature)/235°C.. London : British Standards Institution, 1997. http://access.bl.uk/ark:/81055/vdc_100104606104.0x000001