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The NORTON 662611-40509 is a 6-inch pressure-sensitive adhesive sanding disc designed for surface preparation and finishing work. Part of the A975 disc series, it features a P150B grit rating suited for intermediate stock removal and surface smoothing between finishing passes. These discs are sold individually and are intended for use with PSA-compatible random orbital and disc sanders common in body, woodworking, and general fabrication applications. The no-hole configuration suits sanders without dust extraction ports, making them a straightforward fit for open-face backup pads.
These discs are used in residential and commercial finishing environments where consistent scratch patterns and reliable adhesion matter. The P150B grit falls in the medium-fine range, making it appropriate for blending, leveling, and preparation before final finish coats. Typical users include auto body technicians, cabinet makers, finish carpenters, and general fabricators working on wood, composites, or painted surfaces. They are sold in bulk packaging with a minimum order quantity of 100 units, making them well-suited for shops with high-volume sanding demands.
Designed as a PSA-style replacement disc for 6-inch solid-face backup pads on random orbital and disc sanders without dust extraction holes. No specific model compatibility was stated in the product data.
Ensure the backup pad surface is clean and free of debris before applying the disc to promote full adhesion. Align the disc centered on the pad before pressing firmly to seat the adhesive. Discs should be removed and replaced when grit loading or glazing reduces cutting efficiency. Always power down and unplug the sander before disc changes.
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