6PCS HSS 6542 Chamfering Cutter 90° Conical Drill Bit Countersink Bit Twist Drill Bit Cylindrical Deburring Cutter for Wood Metal PVC Machine Tool 6.3/8.3/10.4/12.4/16.5/20.5mm

【6 PCS】: 6 chamfering cutters are available in six different diameters: 6.3 mm / 8.3 mm / 10.4 mm / 12.4 mm / 16.5 mm / 20.5 mm.Different diameters can be used for drilling.【Sharp and Rust-Resistant】 This cutter is made of HSS high-speed steel, which is high-hardness and does not rust easily. Its cutting edge is hardened and ground, making it sharper and longer-lasting. ✔Note: If using a countersink bit on a hand drill, use a twist drill bit to pre-drill the hole, then use the countersink bit to avoid any wobbling caused by drilling.【More Materials to Process】: 6 walnut countersink bits allow you to chamfer the edges of holes. The conical bits can process various materials such as hardwood and cork, aluminum foil, plastic, PVC, and light iron.This chamfering cutter is suitable for all kinds of machine tools【Chamfering Design】: The chamfering cutter adopts a suitable angle design, rust-proof and corrosion-resistant, beautiful and delicate, providing the strength and rigidity of a sharp-edged cutter, significantly increasing the cutter's cutting and milling properties.【Applications】: This countersunk head drill bit kit is suitable for DIY projects at home and in everyday use. It can drill easily and efficiently, not only without burrs but also without scratches.