Name: woodworking chamfererWoodworking specification: 3mm, three point diameter: 4mmThe diameter of the chamferer is 15.8mmProduct weight: 123gPackage: plastic bagMaterial: the three pointed woodworking bit is made of high-speed steel 4241, and the middle chamferer drill body is made of 45 steelAdvantages: the chamferer has five edges. In the process of use, it can discharge sawdust more quickly, drill smooth and flat countersinks at one time, and embed the screw cap into the workpiece surface.