Universal Carbon steel Countersink (Dia)12mm (L)50mm.Suitable for this countersink is constructed from carbon steel which means it's extremely hard durable and incredibly heat resistant.

High performance, self-countersinking woodscrews with no need to counterbore. Feature reinforced collar to prevent snapping, 2 x split-prevention slots, deep PZ recess to reduce risk of cam-out, tropicalised yellow coating for rust resistance and lubricated...