Product Description
The IRWIN UNIBIT High-Speed Steel Fractional Self-Starting Step Drill #3, 1/4″ – 3/4″, is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood, and laminate. Crafted of high-speed steel, it has a SpeedPoint tip that guarantees fast starts and a single-flute cutting edge for drilling true, round holes with a precise step control for multiple sizes. Hole sizes are permanently laser-etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck.
Features
- Single-flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- Also available with (TiN) coating for longer life
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
| Material | High-Speed Steel |
| Shank Diameter | 3/8″ Hex |
| Number of Holes | 9 Steps |
| Step Range | 1/16″ |
Additional Information
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| Manufacturer Part Number | |
| UPC | 38548101033 |
