9-Step Drill Bit, 3/8-Inch Hex, Double Straight Flute, 1/4-Inch to 3/4-Inch
- Step bits are coated with aluminum titanium nitride and are 10 times more durable than steamed black oxide coating for longer bit life
- Double, straight flute removes chips for clean cuts and drilling
- Durable, 3/8-Inch hex shank provides a firm, positive grip and won't spin out in the drill
- Laser markings are easy to read for quick size identification
- Fast-starting, non-walking drill tip
- For use on steel (up to 16 gauge), wood, plastic, and aluminum
- 1/4-Inch to 3/4-Inch (6.4 to 19.1 mm), 9-Step sizes