Irwin 3018003 IRWIN Titanium-Nitride Coated Metal Index Drill Bit Set with Case, 29-Piece, 3018003

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.