Founded more than 100 years ago in the United States of America, Norton is today a leading manufacturer of abrasive products, part of the Saint-Gobain Abrasives Corporation headquartered in Massachusetts. Norton offers the widest range of solutions for grinding, cutting, polishing and other applications in a variety of materials using the most advanced and affordable technologies.
Norton's honing stones can be broadly divided into ceramic-bonded oil stones (Crystolon with silicon carbide grit and India based on aluminum oxide) and water stones, "Japanese-type" stones, presented as four-grit stones in 220, 1000, 4000 and 8000 grit (two coarse silicon carbide, two fine alumina). Norton also introduces Arkansas natural stones under the names Soft Arkansas and Hard Translucent Arkansas. The grit matching table for these abrasives is shown below:
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