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The NORTON 63642502635 is a threaded-mount flap wheel designed for precision surface finishing, deburring, and blending on metal and other hard materials. Built with aluminum oxide abrasive in a coated construction, it delivers consistent stock removal and surface refinement across contoured and irregular workpiece geometries. The wheel measures 1.625 inches in diameter with a 0.5-inch face width, making it well-suited for work in tight areas and on smaller components. Rated to a maximum of 23,000 RPM, it is compatible with die grinders and rotary tools equipped with a threaded mandrel. Medium grade at 60 grit positions it for general-purpose material removal where aggressive cutting action is needed without heavy surface scarring.
This mounted flap wheel is used in metalworking, fabrication, and maintenance applications where a standard flat wheel cannot reach. Typical installation scenarios include weld blending, edge radiusing, and surface prep on shafts, bores, castings, and tight radii. It is suitable for bench-top rotary tool setups and handheld pneumatic or electric die grinders. Machinists, fabricators, and maintenance technicians working on ferrous and non-ferrous metals are the primary users of this style of abrasive.
Designed as an OEM-style mounted flap wheel for use with threaded mandrel die grinders and rotary tools rated to a maximum spindle speed of 23,000 RPM or higher.
This wheel is installed by a machinist or fabricator onto a compatible threaded mandrel before mounting in the die grinder or rotary tool. Always confirm the tool spindle speed does not exceed the 23,000 RPM maximum rating of the wheel before operation. Inspect the flap wheel for damage or loose abrasive segments prior to each use and discard if any defect is found. Follow applicable ANSI B7.1 and OSHA abrasive wheel safety guidelines, including use of appropriate eye and face protection.
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