Made of the highest quality cobalt and coated with titanium for longer life. All drills have straight shanks and are finished to drill quickly and cleanly.
Benefits:
• 15 to 1 lifetime over High Speed Steel twist drills.
• 5 to 1 lifetime over standard cobalt twist drills.
• More heat resistant than HSS and less brittle than carbide.
• Work great on rough & uneven surfaces.
Sold in packs of 5
