Diablo 3/8 In. - 7/8 In. Impact Step Drill Bit, 12 Steps
- Split Point Tip (132) makes pre-drilling obsolete and stays sharper longer
- Automated Precision CNC Grinding Process delivers strict angle tolerances on each step for minimal bit wear
- Exclusive design delivers corded and cordless tool efficiency in high-speed mode
- 1/4 In. hex shank allows use with drills and impact drivers
- Optimized dual flute design for jam-free cuts,Increased step heights for easier drilling of common hole sizes
- Easy to read, laser marked steps for drilling holes of varying sizes
- Ideal for electrical, plumbing and HVAC contractors
