Tinor - 4Pcs hss Countersink Deburring Countersink Drill Bit for Drilling Metal Wood Plastic

Made of high hardness 4241 high speed steel(HSS) and with tough titanium coating, the drill bits are strong and durable Shank: 6mm, 8mm, 10mm, 12mm; Size: 2-5mm, 5-10mm, 10-15mm, 15-20mm Perfectly drill into materials with hardness below 28 degrees, such as plastic, wood, soft metals, etc. These drill bits can be used to chamfer the workpiece opening and hole into a conical shape Ideal for professional or amateur repair and DIY woodworking chamfer drilling damage repair titanium hole cutter set deburring milling tool engineering home and general building high hardness smooth chip processing professional chamfering tool round holes Size (chamfer size x length) 2-5mm(2-5 mm x 45 mm) 5-10mm(5-10mm x 47mm) 10-15mm(10-15mm x 62mm) 15-20mm(15mm-20mm x 82mm) Product Details This 90° titanium coated chamfer tool is suitable for chips to extract them and prevents metal chips from flying out and rounding the shanks. Wide range of applications Suitable for artifacts under 25 years old, such as