Titan Drill Bit 11/64 inch, Titanium, Jobber Lengt Titanium nitride coating extends the life of the bitLasts up to six times longer than standard high speed still drill bitsHeavy-duty web design provides extreme rigidity when drilling in metal applicationsShorter cutting lips reduce torque when drilling in high tensile strength materials135 degrees split point reduces feed pressure for easier penetration without work hardening2-1/8 in. twist length11/16 in. x 3-1/4 in.