Cite
MLA Citation
British Standards Institution,. Aerospace series. Screw, pan head, Spiral Drive Recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated. Classification: 1 100 MPa (at ambient temperature)/235 °C.. London : British Standards Institution, 2022. http://access.bl.uk/ark:/81055/vdc_100145719102.0x000001