This 3 piece set of titanium nitride coated, high speed steel step drill bits replaces 33 individual drill bits so you save time on switching out drill bits. The step drills feature a self-starting tip.
- Titanium nitride coating runs cooler and lasts longer
- 13, 9 and 11 Step Drill Bits
- 1” Triangle shafts
- Two-flute design for faster, smoother drilling
- Replaces 33 individual drill bits