Abrasive - St. Gobain Premium Alundum 38A (07660788283) Type 01 Bench and Pedestal Wheel - Extra Fine Aluminum Oxide Abrasive, 1" Arbor, 8" Diameter x 1" Thick

This stone runs smooth out of the package. Like all new stones it still needs minor dressing.

Cumple perfecto, entrega antes de lo esperada.

I bought this mainly as a finer grit alternative for sharpening lathe tools on a wheel. It has been in my shop for years now, and I am totally satisfied with it. It leaves a finer finish than the regular "fine" wheel your bench grinder came with, and while ALL fine wheels create more heat than coarse wheels, I don't feel that I'm scorching tools too fast with this stone. It is probably also a little faster wearing than the basic fine wheel that comes on your grinder. But not too bad. I use it frequently as I make bowls, as it is my primary sharpening solution for those tools. I still have at least 7 " of wheel left I think. I am pretty cheap so I would not like it if it wore away too easily, even if it did a great job grinding. You can do even better by touching the tool with a fine diamond hone or a fine sharpening stone after using this wheel, but you can absolutely do fine turning wood with just this wheel on your grinder--nothing else is really necessary.

I'm running this grinding wheel on a Balder 8107W, which weighs 99 lbs. The wheel was grossly out of balance when I received it. I shut my grinder off after about 20 seconds because of the severe vibrations. A few minutes later, I turned the grinder back on and at least a pint of water came pouring out of the grinding wheel. It literally looked like I had a hose connected to the grinding wheel for about 30 seconds. I questioned whether it was safe, and I thought about sending it back. The wheel stopped expelling water and it seems balanced. It works great now. I would give it five stars but I'm not sure that it's safe. It passes the ring test.

Very very nice product, get rid of your crappy wheels that come with your grinder, change to these!