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The STANDARD ABRASIVES 7000121747 is a deburring wheel mandrel designed to mount deburring wheels onto rotary tools, die grinders, and similar powered equipment. The mandrel features a 1/4 inch shank diameter and an 8-32 thread at the working end to secure compatible deburring wheels. With an overall length of 3 inches and a shank length of 3 inches, it provides adequate reach in tight workspaces. Rated to 20000 RPM, it is suitable for high-speed deburring operations on metal, plastic, and composite surfaces. Machinists, fabricators, maintenance technicians, and tool-and-die professionals are the primary users of this hardware.
This mandrel is used in shop and field settings where deburring wheels need a reliable, secure mount. Common applications include removing burrs from drilled or punched holes, cleaning up weld seams, and finishing edges on metal components. Its compact form factor makes it well suited for use in confined areas or on smaller workpieces where a standard-length arbor would be impractical. It is a single-unit item intended for direct installation into a compatible rotary or air-powered die grinder.
Designed as an OEM-style mandrel accessory for use with 8-32 threaded deburring wheels mounted in rotary tools or die grinders equipped with a 1/4 inch collet.
Installation is performed by machinists or maintenance technicians using a standard collet wrench to seat the 1/4 inch shank securely in the tool. Ensure the tool is fully powered down and unplugged or depressurized before mounting or removing the mandrel. Thread the deburring wheel onto the 8-32 end and confirm it is snug before operating. Do not exceed the 20000 RPM maximum speed rating of the mandrel.
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