Cite
APA Citation
Institution,, B. S. (2022). Aerospace series. Screws, pan head, Spiral Drive Recess, threaded to head, in heat and corrosion resisting steel, passivated. Classification : 1 100 MPa (at ambient temperature) / 425 °C.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100146569915.0x000001