BS 93/715850 DC
BS 93/715850 DC
Aerospace series. Screws 100 degrees countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, aluminium IVD coated. Classification: 1100 MPa (at ambient temperature)/425 degreesC (prEN 4072)
standard published 11/18/1993 by British Standards Institution