Grizzly   |  Model: G2790
Universal Knife Grinder
Price: $299.95
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Grizzly G2790 - Universal Knife Grinder

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This dry-type Knife Grinder is ideal for sharpening planer and jointer knives. High quality cast iron construction, together with large capacity (will sharpen up to 20" planer blades) makes this grinder an excellent investment. CSA certified meeting CSA C22.2 #71.2-08 and UL 987-7 standards!


  • Heavy-duty motor is 1/2 HP, 110V, single-phase, 3A, TEFC capacitor start, 3500 RPM
  • Max blade length: 20"
  • Maximum knife width: 1-1/2"
  • Overall size: 24" L x 11-1/2" W x 13" H
  • Approximate shipping weight: 58 lbs.


  • Knife holder angle adjusts from 20 degrees to 70 degrees
  • 120-grit stone raises and lowers
  • 1/2" arbor
  • Pre-lubricated ball bearings
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13 Customer Reviews (4.9 out of 5 stars): Sign in to write a review

Craig V
Works well 8/25/2018

Like anything new there is a learning curve. Be patient. This is a good tool.

Jerry H
Does the job 5/9/2018

This knife grinder works quite well and saves taking our planer blades to someone for sharpening. Saves us time and money !!

Rick M
Very good product. 4/24/2018

Bought this a month ago used it several times. Should have bought it along time ago. Thanks Rick.

Great grinder! 3/16/2018

Easy to use and set up, had two sets of planer blades sharpened in no time!

Larry W

I have not told my wife that I will only use the grinder to sharpen planer blades on occasion. However having sharpened both sets I use it frequently on wood chisels. Very good machine.

Great small shop grinder 10/21/2017

Had one of these for 4.5 years. Preformed great what is it. A surface grinder costs will over $3000 for a reasonable worn one. My first one was damaged beyond when it was knocked off it shelf. Buying a new was an easy choice

Great Product 10/21/2017

I sharpened 8 sets of planer blades in just a few hours. Easy to use.

I had no trouble setting my new Grizzly knife sharpener up. I learned how to use it on an old blade 10/1/2017

I was very pleased with the results. With a little practice my results will be perfect. Wait until you see how well it sharpens chisels!


I like my grinder nice to be able to sharpen my own planer blades. Just wish there was a finer adjustment for the blade setting

Excellent tool. 6/12/2017

Dennis H
Great for sharpening planer knives 6/2/2017

Bought this a month ago sharpened 3 four blade sets of 20in. Planer knives saved a ton of money.

Does a good job 2/4/2017

So far I've only used to sharpen one set of three blades, but seems to work well. I just wish the tool had a better way to micro adjust the grinding angle. It would make adjusting to the blades existing grind angle easier.

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