11/64" Black Oxide Drill Bit
ColdFire Cryogenic Treatment is a patented technology for making metals stronger, tougher, and more durable. It offers up to 150% longer life than other Black Oxide bits, and the Black Oxide coating is corrosion resistant. *The sample black oxide bit pictured may not be exact model.

Description
ColdFire Cryogenic Treatment is a patented technology for making metals stronger, tougher, and more durable. It offers up to 150% longer life than other Black Oxide bits, and the Black Oxide coating is corrosion resistant. *The sample black oxide bit pictured may not be exact model.















