The IRWIN Unibit 3-Piece TiN Step Drill Set features drill bits with single-flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid, self-starting tip to minimize skidding and the need for center punching. The titanium coating withstands heat and friction to extend the cutting edge life.
Features:
- Single-flute cutting edge for greater control through steps
- 3 flatted shank prevents slipping in drill chuck
- Non-skid self-starting tip eliminates skidding and the need for center punching.
