Counter Sink Bits

The BlueSpot Tools Countersink Bit Set contains the most popular sizes. Made from heat-treated carbon steel for strength and durability. Suitable for all hand and power drills with a 1/4in hex bit holder. Sizes: 12mm, 16mm and 19mm.

The Faithfull High Speed Steel Rosehead Chubby 90° included angle Countersink is used for countersinking screw holes for flush fitting of screw heads in mild steel, plastics and non-ferrous metals. They are also suitable for working on wood, plywood, MDF, and other man-made boards. They can be used in both hand tools, and power drills.

Carbon Steel Rosehead Countersink, for countersinking screw holes in wood for the flush fitting of screw heads. Can be used in both hand and power drills.