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Black spline 4-cutter drill bit with helical flutes and smooth shank end against white background.

Milwaukee 48-20-4380 Spline 4-Cutter Bit 1 in x 17 in x 22 in

Regular price $179.79
Sale price $179.79 Regular price $0.00

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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 31 in.
  • Overall length 36 in.