1/4"-1-3/8" #5 UNIBITA High Speed Steel Fractional Step Drill Bit
Description
The IRWIN® UNIBIT® HSS Fractional Self-Starting Step Drill #5, 1/4" - 1-3/8", 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.
- SpeedPoint® tip for fast starts.*
- Geometry of single-flute cutting edge drills true, round holes and provides maximum step control.
- 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
Applications:
- Metal Drilling
- 1/8" steps
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