6Pcs Countersink Drill Bit Hex Shank Set Metal 90 Degree 6mm19mm Chamfer Tool Accessory

1、6 pieces countersink drill bits of different sizes from 6mm to 19mm meeting your various needs. 2、Standard 1/4in hex shank suitable for many drills such as hand drills rechargeable drills etc. 3、Suitable for hole opening and chamfering of boards with low hardness such as wood and plastic boards. 4、Five-blade grooved design for better chip removal high-carbon steel drill bit not easy to be dull. 5、The plated surface is rustproof thus the drill is more beautiful and has high surface hardness.