BAUER Black Oxide Step Bits offer up to 2X longer life* for more drilling with less downtime. Premium alloy construction drills easily through metal, plastic and wood. The black oxide coating resists rust and corrosion. The step drill bits automatically deburr holes as you drill and the two-flute design provides faster, smoother cutting.

• Black oxide coating for enhanced durability and performance
• Fast-start no-walk tip starts drilling on contact
• Automatically deburrs holes while drilling
• Dual flute design cutting edges for greater control and rounder holes
• Includes: 3/16 in. 1-3/8 in. #4 black oxide step drill bit (12-steps) and #5 black oxide step drill bit (11-steps)