5/16" Jobber Length Drill Bit | HSS Black Oxide | D/AN5/16 (12 / Pkg.)
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5/16" Jobber Length Drill Bit | HSS Black Oxide | D/AN5/16 (12 / Pkg.)

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5/16" Jobber Length Drill Bit | HSS Black Oxide | D/AN5/16 (12 / Pkg.)

Drill AmericaSKU: D/AN5/16
Price:
$29.77per 12( $2.48 each)
Pieces 12
Measurement type Inch
Diameter 5/16"
Length 4-1/2
Material High Speed Steel
Finish Black Oxide
Flute length 3-3/16
Point type Conventional
Shank Round
Size 5/16
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: 5/16"
  • Material: High-Speed Steel (HSS)
  • Coating: Black Oxide
  • Length: Jobber Length
  • Series: D/AN
  • Package quantity: 12 bits

Features

  • Black oxide coating reduces friction and provides corrosion resistance in typical workshop environments, helping extend bit life during metal drilling.
  • HSS core delivers better heat tolerance than standard carbon steel bits, supporting consistent performance under common metalworking speeds.
  • Jobber length design offers versatile reach and rigidity for general-purpose drilling in metalworking tasks.
  • 12-piece package supports bulk projects and reduces need for frequent reorders when completing multiple holes or assemblies.
  • Part of the D/AN Series, enabling easy identification within a tooling lineup for organized shop workflows.

Physical

  • Coating: Black Oxide on HSS core
  • Bit diameter: 5/16" (0.3125")
  • Length class: Jobber Length
  • Quantity: 12 bits per package
  • Series: D/AN

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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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