Milwaukee® 48-20-4390 4-Cutter Rotary Hammer Drill Bit, 1-1/8 in Drill Bit, 3/4 in Spline Shank, 17 in D Cutting, Carbide Cutting Edge, 22 in OAL

20203768 MFG #: 48-20-4390
  • Type: 4-Cutter
  • Drill Bit Size: 1-1/8
  • Overall Length: 22
  • Cutting Depth: 17
  • Flute Length: 17
  • Shank Size: 3/4
  • Shank Type: Spline
  • Point Type: Centering
  • Cutting Direction: Right Hand
  • Cutting Edge Material: Carbide
  • Material: Carbide, Steel
  • Finish: Uncoated
  • Color: Silver
  • Applicable Materials: Block, Brick, Concrete and Reinforced Concrete, Brick, Block, Concrete and Reinforced Concrete
Milwaukee® Rotary Hammer Drill Bit, 4-Cutter, 1-1/8 in, 22 in Overall Length, 17 in Cutting Depth, 17 in Flute Length, 3/4 in Shank, Spline Shank, Centering Point, Right Hand Cutting, Carbide Cutting Edge, Steel, Uncoated, Silver, Applicable Materials: Block, Brick, Concrete and Reinforced Concrete
  • Brazing formula optimizes drilling for up to 20% longer life
  • Brazing formula opti
  • Unique flute geometry provides efficient dust removal
  • Unique flute geometr
  • Centering point and
  • Centering point and 4-cutter design provide accurate and precise round holes
  • Feature a 4-cutter 4 x 90 deg tip geometry to avoid lock up in rebar, patented rebar chamf
  • Feature a 4-cutter 4
Brazing formula optimizes drilling for up to 20% longer life
• Brazing formula optimizes drilling for up to 20% longer life
Unique flute geometry provides efficient dust removal
• Unique flute geometry provides efficient dust removal
• Centering point and 4-cutter design provide accurate and precise round holes
Centering point and 4-cutter design provide accurate and precise round holes
Feature a 4-cutter 4 x 90 deg tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability
• Feature a 4-cutter 4 x 90 deg tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability