5/16" Jobber Length Drill Bit | Cobalt | D/ACO5/16 (12 / Pkg.)

Drill AmericaSKU: D/ACO5/16

Price:
Sale price$64.75per 12( $5.40 each)
Pieces 12
Measurement type Inch
Diameter 5/16"
Length 4-1/2
Material Cobalt
Finish Gold
Flute length 3-3/16
Point type Split Point
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

The [12 PKG] 5/16" Cobalt Jobber Length Drill Bit, D/ACO Series is a cobalt alloy drill bit designed for demanding metalworking tasks. This 12-piece set delivers durable, consistent performance across hard metals and fabrication projects.

Specs

  • Diameter: 5/16 in
  • Length: Jobber length
  • Material: Cobalt alloy
  • Series: D/ACO
  • Package: 12 pieces

Features

  • Cobalt alloy construction provides superior hot hardness and wear resistance for drilling hard metals such as stainless steel and alloy steel.
  • Jobber-length design offers extended reach for mid-depth holes and versatile metalworking tasks.
  • Designed to maintain cutting edge under elevated drilling temperatures, reducing premature dulling and maintaining hole size.
  • Bundled as a 12-piece pack for ongoing machining and fabrication workflows.
  • Ideal for shop environments requiring durable tooling for repeated, demanding use in metalworking, automotive maintenance, and fabrication projects.

Physical

  • Diameter: 5/16 in
  • Length: Jobber length
  • Material: Cobalt alloy
  • Series: D/ACO
  • Packaging: 12 pieces per package

Can We Help?

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800-222-0324

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