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Item #: G9421
Model # G9421
Used to finish holes to close tolerances, this American Standard high speed steel Reamer features straight flutes with 45 degree chamfer for gradual starting load.


  • Cutter Diameter: 7/16"
  • Flute Length: 1-3/4"
  • Overall Length: 7"
  • Accuracy: +0.0001"-0.0005"
  • Nominal Shank Size: 3/8"

3 Customer Reviews (5 out of 5 stars) : Sign in to write a review

Anonymous Reviewer
09/22/2017 4:58:32 PM

No feedback given

Anonymous Reviewer
Very good product 09/06/2017 1:35:02 PM

I have purchased several different sizes over time and have always been quite satisfied with the high quality.

David M
Excellent Product and Sharp 01/27/2017 4:00:25 PM

I bought this for finishing out lower receivers and it does an excellent job.
I am pleased with everything I buy from Grizzly Industrial.