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 lips reduce torque when drilling in high tensile strength materials 135-degree split point reduces feed pressure for easier penetration without work hardening
Size- 5/16" Twist Length- 3-3/16" Overall Length- 4-1/2"