Skip Content

Extension Drill, Size 9.90mm, Solid Carbide, FIREX®, List Number 5525 close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

This item has been discontinued and is unavailable for purchase. For more information call 1-800-GRAINGER (1-800-472-4643).

Extension Drill, Size 9.90mm, Solid Carbide, FIREX®, List Number 5525

Price: NA

Activate Now

to save with

Select AdvantageSM

Unavailable for purchase, product discontinued


  • Item # 4YHN9
  • Mfr. Model # 9055250099000
  • UNSPSC # 27112801
  • Catalog Page # N/A
  • Shipping Weight 0.3 lbs.
Country of Origin Germany Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This coolant-fed, solid carbide drill bit offers a high penetration rate, and is designed to run 3 to 5 times faster than conventional drills, reducing cycle time. It features a notched point and can be used to drill alloys, cast-iron, general steel, heat-treated steel, stainless steel, and titanium. The FIREX® finish offers 90+ Rockwell hardness and can run 300°F hotter than standard TiN coating.

View More

Technical Specs

  • Item Extension Drill
  • Cutting Direction Right Hand
  • Coolant Through Yes
  • Material Solid Carbide
  • Point Angle 140 Degrees
  • Point Type Notched Point
  • Finish FIREX(R)
  • Dimension Type Metric
  • Size 9.90mm
  • Decimal Equivalent 0.3898"
  • Flute Length 120mm
  • Overall Length 162mm
  • Shank Dia. 10.00mm
  • List Number 5525
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions

None

Alternate Search Terms

Customer Reviews


Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.