- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
- Single-flute cutting edge for greater control through steps
- 3 flatted shank prevents slipping in drill chuck
- Also available with titanium nitride coating for longer life
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
![Irwin Unibit® High Speed Steel Metric Self-Starting, 4MM-22MM, 10 Steps, #IR-11104 (1/Pkg) Irwin Unibit® High Speed Steel Metric Self-Starting, 4MM-22MM, 10 Steps, #IR-11104 (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/256563/361491/585-11104__56075.1595406836.jpg?c=2)