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  • 7/16" X 12" Black Oxide Extension Drill Bit

7/16" X 12" Black Oxide Extension Drill Bit

Item# AEDB120 | UPC 659455

Quick Overview

7/16" X 12" Black Oxide Extension Drill Bit
  • Buy 6 for $13.58 each and save 16%
  • Buy 24 for $11.99 each and save 25%

Availability: In stock*

*Prices and inventory are based out of our Glassboro, NJ location. Prices and inventory can vary between locations. Call your local store to confirm pricing & availability.


  • Drill Diameter: 7/16"
  • Overall Length: 12"
  • Flute Length: 4-1/16"
  • Material: High speed steel
  • Coating/Finish: Black oxide
  • 135 Degree split point
  • Heavy-duty construction
  • 6" Aircraft extension
  • 135 Degree split point is self-centering for reduced thrust and easier penetration
  • Manufactured from high-speed steel for a great combination of strength, heat resistance & wear resistance
  • Designed for general purpose drilling in steel, cast iron, and a variety of other ferrous and non-ferrous metals and alloys
  • Black oxide coating for corrosion resistance
  • Aircraft extension drill bits are designed for machine drilling and portable drilling to drill in hard-to-reach areas

Additional Information

Item Number AEDB120
UPC 659455
Weight (lbs) 0.4500
Manufacturer Domestic