TiAlN Coated Cobalt Countersink Drill Bits Set For Metal Stainless Steel Copper Wood Fiberboard 90-Degree Single End M35 High Speed Steel Heavy Duty Chamfer Tools 10-15mm

TiAlN-Coated Cobalt Countersink Set for Metal 10-15mm
✔️ 1x 10-15mm countersink, M35 HSS cobalt, TiAlN coating, 90° chamfer

This countersink chamfer tool is built for heavy-duty metalworking and woodworking, designed for deburring holes and chamfering edges with precision. It is ideal for stainless steel, copper, aluminum, wood, and fiberboard, fitting with most drilling machines and hand tools.

✅ M35 HSS cobalt steel with TiAlN coating, up to 1500°F
✅ 10-15 mm size range for accurate chamfering
✅ Cone tip centers hole; enlarged spiral flute ejects chips; reduces chatter
✅ Compatible with drills, table drills, milling machines, cordless drills, and impact drivers
✅ Includes 1 piece with portable storage case

💡 What is a countersink drill bit used for?

- Creates a conical recess for flush screw seating, handy for a clean finish - Handy for deburring holes and chamfering edges on metal and wood - TiAlN-coated M35 HSS delivers heat and wear resistance in tough metals - Use after drilling a pilot hole and selecting the matching chamfer size for best results