This IRWIN Unibit #13 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The hex shank helps prevent slipping in a drill chuck. Use this reliable drill bit to drill holes into thin materials like stainless-steel, copper and more.
Features:
- Drills 1-1/8" holes
- 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
- Single-flute cutting edge for greater
