Features and Benefits:
- Single flute cutting edge for greater control through steps
- 3 flatted shank prevents slipping in drill chuck
- Non-skid self starting to eliminate skidding and the need for center punching
Includes:
- UN1- 1/8"-1/2" step drill
- UN1- 1/8"-1/2" step drill
- UN3- 1/4"-3/4" step drill
- UN1T- 1/8"-1/2" titanium step drill