Pro Cobalt Countersink Drill Bit Set With Quick Change Hex Shank Toolant Titanium Aluminum Nitride Coated For Metal Drilling Five Piece From Quarter Inch To Three Quarter Inch Chamfering And Countersinking Bits High Performance Durable Metalworking Kit

Cobalt Countersink Drill Bit Set with TiAlN Coating
✔️ 5-piece cobalt bits with TiAlN coating, 1/4 to 3/4 in sizes

This pro-grade cobalt countersink drill bit set is built for metalworking, delivering clean chamfers and precise countersinking in steel, aluminum, and other metals. It includes five sizes from 1/4 in to 3/4 in, paired with a quick-change hex shank for fast setup and reliable performance in busy workshops.

✅ Titanium Aluminum Nitride coating raises surface hardness to 94HRC and offers outstanding heat resistance
✅ Industrial-grade cobalt high-speed steel for durable metal drilling
✅ Impact-ready 1/4 in hex shank for quick tool changes
✅ Sizes from 1/4 in to 3/4 in (6.35 mm to 19.05 mm) chamfering and countersinking
✅ 90 days warranty with 105% refund or replacement

💡 What is a cobalt countersink drill bit set with TiAlN coating used for? This handy kit is designed for metalworkers who need precise countersinking and chamfering on metal parts. - Handy for drilling and countersinking steel, aluminum and other metals - TiAlN coating boosts heat resistance and edge life - Hex shank enables quick tool changes in standard chucks - Ideal for clean chamfers from 6.35 mm to 19.05 mm diameters