Milwaukee 48-89-9284 Cobalt Step Drill Bit #4 (3/16-7/8")
Milwaukee 48-89-9284 Cobalt Step Drill Bit #4 (3/16-7/8")
- New, 30-day returns. Packaging may be opened, plain, or missing. Return policy
- Independent reseller. Whiskey Ranch Tools is a family-owned East Texas reseller, not affiliated with or authorized by the manufacturer. Manufacturer warranty coverage is not guaranteed.
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Item is new but may or may not have factory sealed packaging.
The Milwaukee 48-89-9284 Cobalt Step Drill Bit provides precision drilling across multiple hole sizes in a single tool. The #4 size steps from 3/16" to 7/8", removing the need for multiple bits and cutting setup time on the job. Made from cobalt steel, this step bit resists heat buildup and keeps sharp edges through demanding applications in steel, aluminum, and composite materials. The graduated flute design produces clean entry and exit holes with minimal burring. It is well suited to HVAC technicians, electricians, and fabricators who need reliable performance in production drilling and hole enlargement work. It fits standard drill chucks for quick installation and changeover.