Milwaukee Tool 48-20-3988 1-1/2 x 18 x 23 Inch SDS-MAX 4 Cutter
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Manufacturer Milwaukee Tool
Mfg Catalog # 48-20-3988
North Coast Part # 217218


Milwaukee® SDS-Max drill bits provide faster drilling speeds, increased life, and more cordless efficiency. Breaker point pulverize the material leading to up to 20% faster drilling speeds. Rebar guards protect the bit when hitting hard aggregate and rebar leading to longer life. Variable flutes remove the dust out of the hole more efficiently resulting in up to 15% more holes per battery charge. Wide flute entrances lead to faster drilling speeds, while reinforced flutes prevent bit breakage, rendering increased durability in tough concrete applications. The centering tip allows for exact spot drilling. All SDS-Max drill bits meet the ANSI specification for drilling holes for anchor applications and include wear mark indicator when signifying when the bit no longer meets the ANSI spec.

  • Breaker points for up to 20% faster drilling speeds
  • Rebar guards for increased durabilty in hard aggregate and rebar
  • Variable flutes for up to 15% more holes per battery charge
  • Reinforced Flutes to avoid bit breakage
  • Wide flute entrance for increased faster dust removal
  • Wear mark indicators to indicate end of life
  • Centering tip of exact spot drilling
  • ANSI specificed to fit common anchors


  • Style: SDS-MAX
  • Pack Qty: 1 Pack
  • Cutter Geometry: 4-Cutter
  • Diameter: 1-1/2"
  • Useable Length: 18"
  • Length: 23"


UPC 04524210232
GTiN 00045242102327
Length 23 in
Type 4-Cutter Head
Diameter 1-1/2 in
Material High Carbon Steel
Applications For Brick, Block, Concrete and Reinforced Concrete and Also For Fast Bit Changes and Efficient Power Transfer from Hammer to Bit
Shank Size 45/64 in
Shank Type SDS Max
Cutting Depth 18 in
Pkg Qty 1 Pack
Family Brand Name Milwaukee
Number of Flutes 4
Flute Length 18 in
Overall Length 23 in
Used With Rotary Hammer Drills
Cutting Direction Right
Sub Brand SDS

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