Pro Countersink Drill Bit Set 12 Pc With Sizes 4 6 8 9 10 12 Two Cutting Diameters Beefed Up For Woodworking And Carpentry Durable Wear Resistant Counter Sinker Bits High Speed Steel

12-Piece Countersink Drill Bit Set for Woodworking, HSS
✔️ Two cutting diameters: 5/16 and 3/8; 12 pcs in sizes #4,6,8,9,10,12

Engineered for woodworking, this countersink bit set delivers clean chamfers and precise screw recesses. The high-speed steel head with a C3 hard alloy resists wear, resists rust, and lasts longer than basic bits. Not intended for metal or steel plates.

✅ Two cutting diameters: 5/16" and 3/8" for precise countersinking
✅ Includes 12 pieces in sizes #4, #6, #8, #9, #10, #12
✅ 1/4" hex shank enables quick and easy replacement
✅ C3 hard alloy head boosts life; wear resistant and rust-free
✅ Depth adjustable counter bore with 2 hex screws for controlled pilot depth
✅ Not suitable for metal or steel plates; ideal for wood, plastic, PVC
✅ Includes 5 replacement screws and a hex wrench; 2-year guarantee

💡 What is a countersink drill bit set used for in woodworking and cabinet making? A handy tool for creating flush screw heads and chamfers on wood surfaces. - Creates flush screw heads and chamfers to hide fasteners - Handy with softwood, hardwood, fiberboard, PVC, and plastic - Works with standard drill chucks and depth-adjustable countersinks