This is a #1 Kwik Stepper Multi-Hole Step Bit with a unique split tip design to penetrate through steel faster. The multi hole bit allows you to drill a hole in various diameters. The overall length of the bit is 3-3/8 in.
- Resists walking or skidding, even on round surfaces
- Balanced, double-flute construction requires less pressure, does the work for you
- Hole sizes: from 1/8 in. through 1-3/8 in. (3.2 - 34.9 mm)
- Capacity cut up through 3/8 in. (9.5 mm) mild steel, copper, brass, aluminum, wood, plastic and laminates