Milwaukees Spline 4-Cutter Rotary Hammer Drill bits feature a 4-Cutter 4×90 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

• 1 in. diameter, 4-cutter head
• Drilling depth 17 in.
• Overall length 22 in.
• Spline shank