9/64" X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX129/64
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9/64" X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX129/64

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9/64" X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX129/64

Drill AmericaSKU: GLBCOX129/64
Price:
$8.54 $15.71per 1( $8.54 each)
Pieces 1
Measurement type Inch
Diameter 9/64"
Length 12
Material Cobalt
Finish Gold
Flute length 1-3/4
Point type Split Point
Shank Round
Size 9/64
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Specs

  • Diameter: 9/64 in (0.1406 in)
  • Overall length: 12 in
  • Material: cobalt high-speed steel (HSS-Co)
  • Finish: cobalt alloy
  • Configuration: aircraft extension drill bit
  • Packaged as: 1 piece

Features

  • Long-reach design enables access to deep or hard-to-reach holes common in aircraft maintenance and metal fabrication.
  • Cobalt alloy provides enhanced heat resistance and wear life, preserving edge integrity when drilling tougher metals.
  • Well-suited for repetitive drilling through hard alloys (e.g., stainless steel, titanium) where standard bits dull quickly.
  • One-piece construction minimizes misalignment and delivers reliable performance in extended-reach applications.
  • Best used for metalworking tasks involving deep bore holes in aluminum, stainless steel, and other hard alloys.

Physical

  • Diameter: 9/64 in
  • Length: 12 in
  • Material: cobalt high-speed steel (HSS-Co)
  • Finish: cobalt alloy for enhanced heat resistance
  • Packaged as: 1 piece
  • Usage note: Not intended for wood or soft plastics; verify chuck clearance to accommodate the 12" length.

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If you’re not sure that this product is right for you, give us a call!
800-222-0324

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