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The 3M 7100046339 is a high-strength, non-woven abrasive disc designed for general-purpose surface preparation and finishing tasks. Built on a durable, open-web construction, it delivers consistent cutting action for cleaning, deburring, denibing, defuzzing, and achieving satin finishes on metal surfaces. The open-web structure resists loading and runs cool, which helps the aluminum oxide abrasive maintain a steady cut rate from the first use to the last. At 8 inches in diameter and rated for up to 3000 RPM, this disc fits standard disc grinders and finishing tools used in fabrication and maintenance environments.
This disc is suited for use on a wide variety of metals in both light fabrication and heavy-duty finishing applications. It is commonly used in manufacturing, metalworking shops, HVAC sheet metal work, and general trade maintenance. The conformable construction allows it to follow contours and reach edges without aggressive material removal. Multiple discs can be stacked to cover larger surface areas or to extend the working life of a single mounting setup, making it a practical choice for production-volume surface work.
Designed as a general-purpose replacement or stock disc for standard 8-inch disc grinders and finishing machines rated at 3000 RPM or higher.
Mounting and disc changes should be performed by qualified technicians with the tool unplugged or power source locked out before servicing. Verify the tool's rated RPM meets or exceeds the disc's 3000 RPM rating before use. Inspect the disc for damage before each use and do not use damaged or deformed discs. Follow applicable ANSI safety standards for abrasive wheel mounting and operation.
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