Aerospace series. Screws, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated. Classification 1100 MPa (at ambient temperature) / 235°C.
STANDARD published on 31.1.2010
Designation standards: BS EN 4073:2009
Note: WITHDRAWN
Publication date standards: 31.1.2010
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS