Screw, cheese head 1/4 BSCy x 3/4, 7/16 inch head long shoulder ZP

1/4 CEI cheese head screws, Zinc plated, 3/4 inch long x 7/16 diam head, 3/16 inch high, shoulder 5/16 in x 5/16, drilled for locking pin. Suit Rover front brake
Original part numbers
Rover -  S.923/51 S.864/9-    Link pins (long) with nuts & split pins