Countersink Bits
3pc 1/4" Hex 12, 16, 19mm Countersink Bit Bore Set Wood Metal Fits Impact Drill
The BlueSpot 3 Piece Countersink Bit Set is manufactured from heat treated carbon steel for increased durability.
3Pc Countersink Drill Bit Set Counter Sink Bits
Hardened and tempered steel. Industrial black finish. Suitable for use with hand or power drills. For soft and hard wood