#78 Jobber Length Drill Bit | Cobalt | D/ACO78 (12 / Pkg.)
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#78 Jobber Length Drill Bit | Cobalt | D/ACO78 (12 / Pkg.)

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#78 Jobber Length Drill Bit | Cobalt | D/ACO78 (12 / Pkg.)

Drill AmericaSKU: D/ACO78
Price:
$38.15per 12( $3.18 each)
Pieces 12
Measurement type Inch
Diameter #78
Length 7/8
Material Cobalt
Finish Gold
Flute length 3/16
Point type Split Point
Shank Round
Size #78
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

  • Size: #78
  • Type: Cobalt Jobber Length Drill Bit
  • Series: D/ACO
  • Pack quantity: 12 pieces
  • Length category: Jobber length
  • Material: Cobalt alloy

Features

  • Designed with cobalt alloy for improved heat resistance and longer edge life compared to standard HSS bits, enabling more consistent cuts in hard metals.
  • D/ACO Series geometry tailored for durable performance and steady hole quality in alloy steels and stainless steels.
  • Jobber length provides extended reach and better control for drilling deeper holes and navigating through workpieces with complex geometry.
  • 12-piece pack ensures immediate availability for multi-hole projects or varied material testing without reordering mid-project.
  • Suitable use cases include drilling through hardened steels, stainless steels, and other high-strength alloys where wear resistance matters.

Physical

  • Count: 12 bits
  • Diameter: #78
  • Length: Jobber length
  • Material/finish: Cobalt alloy
  • Series: D/ACO

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800-222-0324

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