1-1/8" x 17" x 18" 4-Cutter Fluted Bit

Cat # 48-20-5070


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Diameter 1-1/8"
Depth 18"
Style 4-Cutter Fluted Bits


The Milwaukee® LHS 1-1/8" 4-Cutter Fluted Bit is a fast, durable choice for deep drilling of a 1-1/8" hole. The 18" bit offers a full 17"extension and can be coupled with 11" extensions (48-20-5079) for extra-deep applications. Simply choose the SDS-MAX or spline drive shank to suit your hammer. The patented 4-cutter head offers durability against unintended rebar impacts. The Large Hole Drilling System offers maximum versatility to suit a variety of jobsite applications, hammers and depths. Simply choose an LHS core bit, tunnel bit or 4-cutter fluted bit in the size you need and add a spline shank or SDS-MAX shank adapter.


  • Fast drilling: Patented flute increases energy transfer and debris removal
  • Extreme durability: Stronger bit core won't lock up in rebar
  • Accurate cuts: Centering bit eliminates slipping for accurate hole placement and dimensions

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