moly or cobalt drill bits to reduce friction and improve chip ejection. Once those coatings wear off a bit’s outer surface, you’re left with the base metal of that bit. Coatings are advantages ...

The bits range in diameter from 1/16-inch to 1/2-inch and feature durable M42 cobalt construction for superior performance and longevity. The DeWalt Fully-Automatic Cordless Metal Drill ...

The 3-in-1 bit solution creates fast, clean holes in all metal applications and deliver up to 30X longer life than standard Titanium, Cobalt and Black Oxide drill bits, resulting in a savings of ...