7/8" X 36" Spline Bit 4-Cutter - Milwaukee Electric Tools

Features and Benefits: ?4-Cutter Head ?Highest quality carbide maximizes material pulverization ?Optimized flutes provide fastest debris extraction for faster drilling ?Spline shank Milwaukee??s spline 4-cutter rotary hammer drill bits feature a 4-cutter 4 x 90? tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability, and a high volume flute for fast debris removal. Used for drilling holes in brick, block, concrete, and reinforced concrete.