A Division of Bay Verte Machinery

Milwaukee Tool

Spline Bit 4-Cutter 1-1/8 in. x 22 in.

SKU: MIL48-20-4390
MFG SKU: 48-20-4390


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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.

  • 1-1/8 in. diameter, 4-cutter head
  • Spline shank
  • Drilling depth 17 in.
  • Overall length 22 in.

Additional information

Weight 2.93 lbs
Dimensions 1.73 × 1.73 × 23.0 in


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