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The 3M 7100064176 is a coated abrasive hook-and-loop film disc in the Cubitron II 775L series, designed for aggressive stock removal on a wide range of substrates. It uses 3M Precision Shaped Grain technology, a ceramic mineral formed into a triangular shape that slices through material rather than plowing or grinding like conventional abrasive grains. The result is a disc that cuts up to 2 times faster and lasts up to 6 times longer than standard abrasive discs. At 5 inches in diameter and 180 grit, it is suited to finishing and light stock removal tasks in metal fabrication, woodworking, and composite surface prep.
This disc is intended for use with 5-inch hook-and-loop backup pads on random orbital sanders and angle grinders configured for hook-and-loop attachment. The 180 grit rating makes it appropriate for intermediate finishing passes, blending welds, smoothing metal surfaces, and preparing substrates for coating or paint. The film backing provides greater tear resistance and edge retention compared to paper-backed alternatives, making it a reliable choice for production grinding and finishing environments where disc life and consistent cut rate matter.
Designed for use with 5-inch hook-and-loop backup pads on random orbital sanders and angle grinders equipped with hook-and-loop systems.
Installation is performed by pressing the disc firmly onto a compatible 5-inch hook-and-loop backup pad until fully seated. Ensure the sander or grinder is powered off and disconnected before changing discs. Inspect the backup pad for worn or contaminated hooks before attaching a new disc, as a compromised pad can cause disc release during operation. Follow applicable ANSI and tool manufacturer guidelines for maximum RPM ratings.
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