Built for professional electricians and contractors who need reliable, multi-size hole drilling on the job site, the Milwaukee 4-Piece Step Drill Bit Set (48-89-9223) delivers serious performance in steel panels, electrical enclosures, junction boxes, and sheet metal. The dual-flute design with Rapid Strike™ tip gets you on-size faster with less heat and less wear — so you spend more time working and less time changing bits. Optimised for cordless drills, this set keeps your battery lasting longer while producing cleaner, more accurate holes across a wide range of diameters.

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