Set of 6 chamfering bits, HSS 90° chamfering bits, cylindrical chamfering bits, screw-in tools for DIY, wood, metal, PVC, 6 3/8, 3/10, 4/12, 4/16.5/20.5 mm

Material: The countersink bits are made of high-speed steel. A 90-degree angle on the tip ensures clean and precise milling. The cutting edge is hardened and sharpened for extra sharpness. 6-Piece Countersink Bit Set: This fluted countersink bit set is available in 6 different diameters: 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, and 20.5 mm. It meets your various sizing needs. One-Piece Design: The conical surface treatment can be completed in a single pass, and both sides of the drilled hole can be quickly cut and chamfered in seconds. Widely Used: It can process all kinds of soft or ferrous metals, suitable for thin iron sheets, insulation boards, aluminum sheets, PVC sheets, wood sheets, etc. With a hardness of less than 25 HRC. Application: Countersunk drill bits are ideal for drilling 90-degree holes in wood and for countersunk screws and fasteners. Suitable for DIY, home, and general construction/engineering. Note: All data is measured manually; please allow for a 1-3 cm error due to differences in light and color display. There may be color variations; please refer to the actual item received.