Description
Irwin Tools 10313ZR Unibit #13 1-1/8" Step-Drill Bit, 1/2" Shank
- Single-flute cutting edge for greater
- Hex shank helps prevent slipping in the drill chuck
- IRWIN Unicity step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates
- Drills 1-1/8" holes
