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Norton 3X Super-Cool Grinding Wheels
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Found in Departments: Norton Sharpening Stones and Wheels
  Sharpening
Norton 3X Super-Cool Grinding WheelsNorton 3X Super-Cool Grinding Wheels
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Quantity in Cart: none
Code: NO-WHEEL3X.XX
Quantity:
 6" x 3/4"8" x 1"
46 Grit - I Grade
  ($42.95) In Stock  ($54.95) In Stock
60 Grit - I Grade
  ($42.95) In Stock  ($54.95) In Stock
80 Grit - I Grade
  ($42.95) In Stock  ($54.95) In Stock
100 Grit - I Grade
  ($42.95) In Stock  ($54.95) In Stock
60 Grit - I Grade - with multipoint diamond dresser
  ($91.81) In Stock  ($103.80) In Stock
46 Grit - K Grade
   ($54.95) Sold Out
(click here to Email Me When Available)
80 Grit - K Grade
   ($54.95) In Stock
Quantity:
NO-WHEEL3X.XX
Back in the bad old days, when you needed to grind chisels, your only option was a high-speed electric grinder with really coarse, gray wheels of indeterminate composition. You learned to constantly dunk your blade in water, or you would get the blue coloring of a burned blade. Then along came white wheels, which made life a little easier, but you could still burn a tool if you weren't careful. So a lot of people switched to very expensive wet grinders. These wet grinders were miniatures of the big wet grinders one would find in industry, and they generally cost a lot. Suddenly we all felt compelled to spend hundreds of dollars on fancy machines. These wet grinders, of course, have a fatal flaw - they work s-l-o-w-l-y.

Fortunately, we're in the next generation. Norton Abrasives, one of the largest abrasive companies in the world, developed these grinding stones a few years ago for use in industrial grinding applications. They are now making them in sizes appropriate for regular grinders and at an affordable price.

These are the coolest running grinding wheels we have ever seen. We put one on our old high-speed 6" circa 1978 $50 grinder and started grinding everything in sight. We are doing a lot of hollow grinding because the risk of burning the steel is so much reduced. Of course, hollow grinding saves a lot of honing time, which suits us just fine. And unlike a wet grinder, the wheels grind really fast - perfect for busy woodworkers.

These wheels are typcially "I" grade which is perfect for cool running and grinding regular edge tools. We also stock "K" grade wheels are a little harder, run a little hotter, but are less friable. For grinding turning tools made out of HSS (which can run very hot without burning the steel) the "K" wheels will grind a little faster and maintain wheel shape longer.

Like all grinding wheels, these wheels should be regularly dressed, in order to remove any glazing on the wheel and to open the pores of the stone so that the stone cuts cleanly, quickly and coolly. The 6" wheels have a 1" hole with adapters to fit 1/2", 5/8",3/4",7/8", or 1" arbors. The 8" wheels have a 1" hole and adapters for 5/8, 3/4", 7/8", or 1" arbors.Dimensions on the table refer to diameter and width.
"The coolest running grinding wheels I have ever used." --- Barry Iles, Ashley Iles (Edge Tools) Ltd.
  
Customer Reviews:

Fast and very cool running

By: Randy G (Jun, 2018)

I got the 6" 46 grit wheel when I bought a new grinder (a Baldor also from TFWW) a few years ago. Every time I use it, I'm very glad I bought it. I keep it dressed with a slight crown, as recommended in Joel's blog. Using a fairly light touch, it grinds quickly and the tool only needs a dip in water occasionally. I have no need for jigs. Free hand on the grinder's tool rest works great. Then a few strokes on a 4000 grit and then 8000 grit stone and my tools are razor sharp.
I own this product.

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