Cite
MLA Citation
British Standards Institution,. Aerospace series. Screws, pan head, offset cruciform recess, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated. Classification: 1 100 PMa (at ambient temperature)/235 °C.. London : British Standards Institution, 2019. http://access.bl.uk/ark:/81055/vdc_100105217016.0x000001