IRWIN Titanium Nitride Coated High Speed Steel Drill Bits Features heavy-duty web design to provide extreme rigidity when drilling in metal applications
Heavy-duty web design provides extreme rigidity when drilling in metal applications
Lasts up to six times longer than standard high speed still drill bits
Shorter cutting lips reduce torque when drilling in high tensile strength materials
135-degree split point reduces feed pressure for easier penetration without work hardening