15X512V - Walter Coolcut XX 5-Inch Resin Fiber Sanding Disc 120 Grit (5-Pack)

Premium Surface Finishing with Walter Coolcut XX

The Walter Coolcut XX 5" Sanding Disc (SKU: 15X512V) represents the pinnacle of resin fiber disc technology, designed specifically for industrial MRO and fabrication environments where surface finish quality is paramount. This 5-pack of 120 grit discs is engineered to deliver exceptional performance on carbon steel, stainless steel, and aluminum, making it a versatile addition to any abrasive inventory. The Coolcut XX line is renowned for its ability to remove material aggressively while maintaining a cool grinding zone, a critical factor when working with heat-sensitive alloys.

At the core of the Coolcut XX performance is its advanced Zirconia Alumina grain structure. Unlike standard aluminum oxide discs that dull quickly, Zirconia grains are self-sharpening; as the disc is used, the grains fracture to reveal new, sharp cutting edges. This mechanism ensures a consistent cut rate throughout the life of the disc, reducing the frequency of disc changes and increasing operator efficiency. The 120 grit specification places this disc firmly in the finishing and blending category, ideal for removing light scratches, blending weld seams after coarser grinding, and preparing surfaces for painting or polishing.

Heat management is a significant challenge in abrasive applications, particularly on stainless steel where heat tint (blueing) can lead to rejection or rework. Walter Surface Technologies has addressed this with their proprietary Coolcut coating and resin bonding system. This design promotes airflow and reduces friction, effectively dissipating heat away from the workpiece. For the industrial buyer, this translates to lower consumable costs and higher quality output. The 5-inch diameter provides a larger contact area than standard 4.5-inch discs, further improving stability and finish consistency on flat surfaces.

These discs require a compatible backing pad (typically a turbo or cooling pad) to function correctly on an angle grinder. The flexibility of the resin fiber backing allows the operator to contour slightly to curved surfaces, although the primary application remains flat or slightly curved metal fabrication. By choosing the Walter Coolcut XX 15X512V, facilities invest in a product that balances longevity, speed, and finish quality, backed by Walter's reputation for industrial excellence.