Imperial Coach Screw
Imperial Coach Screw (All pictures are shown for illustration purposes only. Actual product may vary)

Screws similar to woodscrews but generally much bigger, metric ones have hex heads and imperial ones have square heads, available in mild steel and stainless.

Stock CodeItem
IMP.CS.5/16X11/4.SC5/16 x 1 1/4 Sq Hd Coach Screws S/C
IMP.CS.1/4X3.Z1/4 x 3 Square Head Coach Screw Zinc
IMP.CS.1/4x3.SC1/4 x 3 Square Head Coach Screw S/C