IRWIN 29-Piece Assorted Titanium Nitride Coated Hss Twist Drill Bit Set
This IRWIN 29-Piece Titanium Nitride-Coated Drill Bit Set reduces friction and withstands heat, lengthening the life of the cutting edge and keeping it sharp. These drill bits are designed for repetitive metal drilling with portable drills and stationary drill presses. The 135° split-point tip on each step drill bit starts drilling immediately and helps eliminate walking.
Titanium Nitride coated bits last up to six times longer than standard high speed steel drill bits
Cutting edge stays sharper longer
Titanium Nitride coating reduces friction
Repetitive metal drilling with Portable Drills, Stationary Drill Press