Milwaukee 48-20-4340 Spline Bit 4-Cutter 3/4" x 22"
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Milwaukee Spline 4-Cutter Rotary Hammer Drill bits have a 4-Cutter 4x90° tip geometry that avoids lock up in rebar, patented rebar chamfers for added durability, and a high volume flute for fast debris removal. They are used to drill holes in brick, block, concrete, and reinforced concrete.