Titanium Nitride Steel Fractl Straight Shank Jobber Length Drill Bit,5/16",Card

Features: Titanium nitride coating extends the life of the bit | Last up to six times longer than standard high speed steel drill bits | Heavy-duty web design provides extreme rigidity when drilling in metal applications | 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