The countersunk heads have a titanium coating which makes them very strong. Really clean chamfer, no jerking, and a very smooth and even chamfer, makes nice holes without shattering the plywood. These countersunk bits are great for deburring screwdriver holes or allowing screws to enter completely without protruding. Easy to use, to be attached to the drill chuck. We like to have for a clean and neat job and this will especially avoid accidents because we can easily be injured with a screw that protrudes from it that it finds badly inserted. This set of 6 reinforced and very hard cutters are perfect for any work around the house; they hide the screws in the wood. The drills are made of HSS and come in respective sizes: 6mm, 8mm, 9mm, 12mm, 16mm, 19mm. they are perfect for drilling wood. Product description Color: 6 X 5 Flutes. 6Pcs Walnut Milling Cutter with 5 HSS Flutes Chamfer Drill Bit Hex Shank Set of 6 cutters of different diameter which allow you to make chamfers on the edges of
