3M Cubitron II Fibre Disc 987C, Precision Shaped Ceramic Grain, 4-1/2" Diameter, 80+ Grit, Orange  (Pack of 100)
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<b>[Product Information]</b><br>
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<li>3M Ceramic Precision-Shaped Grain (PSG) maintains super-sharp points that cut exceptionally fast with less pressure</li>
<li>Disc life is significantly longer, completing more parts per disc and requiring fewer disc changes</li>
<li>Stiff fiber backing and a strong resin bond provide durability and tear-resistance for heavyweight applications such as high-pressure weld grinding, and can be used wet or dry</li>
<li>Grinding aid incorporated on the disc minimizes grinding temperatures for heat-sensitive alloys</li>
<li>7/8 inch center hole mount is compatible with 3M disc pad face plates and hubs, and requires the use of a disc retainer nut (all sold separately)</li>
<li>3M Precision Shaped Grain (PSG) maintains super-sharp points that cut exceptionally fast with less pressure</li>
<li>PSG runs cooler and disc life is significantly longer, completing more parts per disc and requiring fewer disc changes</li>
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