#20 X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX1220
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#20 X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX1220

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#20 X 12" Aircraft Extension Drill Bit | Cobalt | GLBCOX1220

Drill AmericaSKU: GLBCOX1220
Price:
$8.62 $15.84per 1( $8.62 each)
Pieces 1
Measurement type Inch
Diameter #20
Length 12
Material Cobalt
Finish Gold
Flute length 2-1/8
Point type Split Point
Shank Round
Size #20
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: #20 (0.161 in / 4.09 mm)
  • Overall length: 12 in
  • Material: cobalt high-speed steel (HSS-Co, M42)
  • Type: aircraft extension drill bit for extended reach
  • Quantity: 1 piece

Features

  • Long-reach 12" extension enables deep-hole drilling and access to recessed or hard-to-reach areas
  • Cobalt alloy provides improved heat resistance and longer life when drilling tougher metals
  • Precision-ground tip aids stable starts and reduces wandering on hard materials
  • Flute geometry optimized for chip evacuation in extended-length drills, helping control heat buildup
  • Best used with cutting fluid or lubricant when drilling metals such as stainless steel or other hard alloys

Physical

  • Overall length: 12 inches
  • Diameter: #20 (0.161 in / 4.09 mm)
  • Material: cobalt HSS (M42) for enhanced wear resistance at higher temperatures

Can We Help?

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

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