Milwaukee 5/8"X7-1/2"X13" MX4 4-Cutter SDS MAX Rotary Hammer Drill Bits

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Milwaukee's SDS-Max 4-Cutter Rotary Hammer Drill bits feature a 4-Cutter 4x90° 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.


  • Solid head carbide delivers up to 5x longer life in concrete with rebar
  • Sharp centering tip for exact spot drilling in concrete and metal decking
  • Optimized flutes remove dust faster reducing heat & delivering up to 15% more holes per battery charge
  • Meets ANSI B212.15 to fit common anchors
  • Ideal for concrete with rebar and masonry
  • Rebar guards for maximum durability in hard aggregate and rebar
  • 4-cutter design prevents lock-up in rebar, reducing downtime
  • German Made
  • Wear mark indicator to show end of life and when bit no longer meets the ANSI requirement
  • Fits all SDS-Max rotary hammers


  • Useable Length 8 in
  • Hole Diameter 5/8 in
  • Length 13 in
  • Type 4-Cutter
More Information
Item Number 48-20-3916
Weight 1.000000
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