29 Piece Titanium Nitride Drill Bit Set

Titanium Nitride Coated-coated nitride drill bits last longer and feature a cutting edge that stays sharp 135 split-point tip starts drilling immediately and helps eliminate walking IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses Includes 1/16" through 1/2" drill bit sizes in 1/64" increments Titanium drill bits last longer and feature a cutting edge that stays sharp.135 split-point tip starts drilling immediately and helps eliminate walking.IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses.Includes 1/16" through 1/2" drill bit sizes in 1/64" increments.Titanium nitride coating extends cutting edge life up to 6x.135-Degree split point tip starts on contact, cuts with less force.Reduced shank above 3/8-Inch allows the use of larger drill bits in a 3/8-Inch chuck.Rubber overmolded case protects kit if dropped.Tap and Drill selection chart for convenient reference.