toolant Pro Cobalt Countersink Drill Bit Set - An exceptional choice for Chamfering. Consisting of 5 titanium aluminum nitride coated cobalt drill bits, offers exceptional performance specifically for drilling through metal.
Titanium Aluminum Nitride Coating - Increases surface hardness to 94HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp
Industrial Grade Cobalt High-speed Steel - Superior strength, heat resistance, and durability, making it ideal for drilling metal
Impact Ready Hex Shank - One-piece built solid 1/4" Hex Shank for quick change
