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Milwaukee® Thunderbolt® 1/4" X 12" X 1/4" 3-Flat Shank Aircraft Length Drill Bit

Airgas Part #:MET48-89-2772

Manufacturer Part #:48-89-2772

$12.20 /Card
Package Size Options
$36.60 Box 3 Card / Box

Item Details

  • Extended length, aircraft drill bits are ideal for extra-reach and deep drilling applications in metal, wood and plastic. A precision start, 135 degree split point tip starts on contact to keep the bit from walking for fast accurate holes.


  • Thunderbolt® web provides longer life and faster driller times
  • Parabolic flute clears chips faster
  • 135 degree split point - precision start, no walking
  • 3-flat secure-grip shank reduces bit slipping in chuck

Product Attributes

Drill Type

» Aircraft Length Drill Bit

Drill Diameter

» 1/4"

Overall Length

» 12"

Shank Size

» 1/4"

Shank Style

» 3-Flat


» 2

Drill Material

» Black Oxide

Flute Length

» 2 3/4"

Trade Name

» Thunderbolt®