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.

Milwaukee® Rotary Hammer Drill Bit, 4-Cutter, 1 in Drill Bit, 16 in Overall Length, 11 in Cutting Depth, 11 in Flute Length, 3/4 in Shank, Spline Shank, Centering Point, Right Hand Cutting Direction, Carbide Cutting Edge, High Carbon Steel, Uncoated, Silver, Applicable Materials: Block, Brick, Concrete and Reinforced Concrete

• Brazing formula optimizes drilling for up to 20% longer life
• Unique flute geometry provides efficient dust removal
• Centering point and 4-cutter design provide accurate and precise round holes
• Feature a 4-cutter 4 x 90 deg tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability