Titanium nitride coating extends the life of the bit; lasts 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 tips reduce torque when drilling in high tensile strength materials
135 degree split point reduces feed pressure for easier penetration without work hardening
IRWIN offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride, and Cobalt Drill Bits.. Titanium nitride coating asts up to six times longer than standard high speed steel drill bits.