Five Piece Cobalt 5 Flute Countersink Drill Bit Set Heavy Duty M35 82 Degree Chamfer Tool Set For Metal Stainless Steel Copper Wood Fiberboard Plastic SAE 3/4, 5/8, 1/2, 3/8, 1/4
✔️ 5-flute cobalt bits with 82° countersink chamfer set
This five-piece cobalt countersink drill bit set uses M35 cobalt HSS for tough metals and wood, delivering durable performance in metalworking, automotive, and woodworking projects. It's designed for pre-drilling holes and creating clean bevels for screws, with a compact carry case for easy transport and storage.
✅ Material: M35 cobalt high-speed steel for wear resistance and heat tolerance
✅ Includes 5 SAE sizes: 1/4 in (6.35 mm), 3/8 in (9.525 mm), 1/2 in (12.7 mm), 5/8 in (15.875 mm), 3/4 in (19.05 mm)
✅ 82-degree countersink angle for precise screw seating
✅ Includes portable CNC-machined case for safe storage and transport
💡 What is a cobalt countersink drill bit set used for in metalworking? This handy set helps prep hard materials for screws and creates clean chamfers. - In metalworking, it pre-countersinks holes for screws and provides a seating surface. - The M35 cobalt HSS resists heat and wear on stainless steel and alloys. - The 82-degree countersink angle yields neat seating and less cam-out. - The compact case keeps bits organized and portable for on-site jobs.