Tackle a wide range of hole sizes with this Diablo impact step drill bit, featuring 15 steps from 7/8" to 1-3/8". Built for impact drivers and standard drills, the split point tip starts on contact without pre-drilling. Precision CNC grinding ensures clean, accurate holes in metal up to 1/8" thick.

• 15 steps covering 7/8" to 1-3/8" range
• Split point tip (132 deg) - no pre-drilling needed
• 1/4" hex shank fits all drills and impact drivers
• Optimized dual flute design for jam-free cuts
• Increased step heights for easier drilling
• Laser-marked steps for easy size identification
• For metal up to 1/8" thickness
• CNC ground for precise angle tolerances