3M™ Cubitron™ II fiber disc 982C slices through carbon steel with 3M™ precision shaped grain and generates up to twice the cut rate, durability and life of other fiber disc - all with less grinding pressure. That means less operator fatigue, faster througHPut and more parts per disc when tackling high pressure grinding applications such as medium to heavy duty stock removal. Our 3M™ Cubitron™ II fiber disc 982C is well suited for edge chamfering, beveling and removing carbon steel welds, mill scale, pits and imperfections, machining grooves and more. Proprietary Cubitron™ II products have raised the bar for high performing abrasives. 3M™ engineers started with 3M™ ceramic abrasive grain and used 3M™ precision shaped grain technology to generate triangular shaped grains that are electrostatically oriented on the backing to form sharp peaks and maximize cutting potential. These peaks act like individual cutting tools that slice through metal and continuously shelf-sharpen as the points break off. The grains wear evenly and self-sharpen, reducing heat due to friction for up to twice the life of other fiber discs with less grinding pressure. The result is that Cubitron™ II discs outcut and outlast every conventional ceramic industrial abrasive disc on the market, maximizing productivity and minimizing operator fatigue. Fiber discs are heavy duty discs ideal for weld removal, grinding and blending large and small areas of metal surfaces. They feature a tough, stiff backing made from vulcanized fiber that resist wear and can handle tough grinding applications. Cubitron™ II 7000119196, Close Coated Premium, 4-1/2 in Diameter Disc, 7/8 in Center Hole, 60+ Grit, Coarse Grade, Ceramic Abrasive, Fiber Backing, Arbor Attachment, Applicable Materials: All Metals, 13300 RPM Maximum, Brown