The Klein Tools 1/4 in. to 1-3/8 in. Step Drill Bit is made of high-speed steel and features laser-etched hole sizes that are permanent and easy to read. This single-flute cutter works on plastic, wood and most metals, including steel, brass, aluminum and copper.
- Single-flute cutter for true round holes
- Requires 1/2 in. chuck
- Works on plastic, wood and most metals, including steel, brass, aluminum and copper
- Made of high-speed steel
- Laser-etched hole sizes are permanent and easy to read
- Tri-lobe shank for firm grip in drill chuck
- Includes arbor