Item Name: Cutting 1/4" Hex Shank Deburring Drilling Chamfer Bit Cutter Countersink Drill. Perfectly centered holes each time the screw heads are properly seated.Shank Diameter: 6.35mm / 0.26 inchHeat treatment carbon steel blades ensure a good tool life.100% brand new and high qualityFunction: mostly used for workpiece removal burr and wood board plastic plate openingCut quickly and easily on wood, soft metal, rubber, plastic and other ma
