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.

• 1 in. diameter, 4-cutter head
• Spline shank
• Drilling depth 11 in.
• Overall length 16 in.