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The NORTON 662611-31519 is a Speed-Grip paper disc designed for random orbital and disc sanders used in surface preparation and finishing work. Built on an A275 backing with a P800B grit rating, this disc is suited for fine sanding stages where smooth, consistent scratch patterns are required before finishing coats. The 3-inch diameter and no-hole configuration make it compatible with solid backup pads commonly used in bodywork, woodworking, and metal finishing applications. These discs are sold in bulk packaging of 50 units per pack, making them practical for shops and field techs running high-volume finishing work.
This disc is used in light material removal, between-coat sanding, and surface prep on wood, metal, and composite substrates. The A275 specification indicates a production-grade aluminum oxide paper construction suited for consistent cut and finish at fine grit ranges. At P800B grit, the disc is positioned for final prep work ahead of primer, sealer, or topcoat application. Automotive refinish technicians, woodworking professionals, and metal fabricators are the primary users of this product type.
Designed as an OEM-style replacement disc for use with 3-inch solid backup pads and random orbital sanders that accept Speed-Grip style paper discs with no center hole.
Disc attachment and removal should be performed with the sander powered off and unplugged or with the air supply disconnected on pneumatic tools. Press the disc firmly onto the backup pad to ensure full Speed-Grip contact before operation. Inspect the backup pad for wear or debris before mounting each disc, as surface contamination can reduce adhesion and cause disc detachment during use. Dispose of worn discs promptly to maintain finish quality and prevent substrate damage.
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