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The VALUE COLLECTION 516130 is a cylinder-shaped mounted polishing bob designed for precision surface finishing and polishing operations. Constructed from hard-density wool felt, this bob delivers consistent contact pressure across flat and contoured surfaces. The 1/4-inch shank diameter mounts directly into standard die grinders, rotary tools, and drill press chucks, making it a practical choice for machinists, toolmakers, and metal finishing technicians who need a reliable, repeatable polishing medium for ferrous and non-ferrous materials.
This mounted bob is suited for bench-top and handheld polishing applications in machine shops, fabrication facilities, and maintenance environments. Hard-density wool felt provides firm surface contact appropriate for final-stage polishing, buffing compounds, and light stock removal on metal, plastics, and similar materials. The cylinder profile allows edge-to-face contact on bores, flat surfaces, and shallow recesses where a tapered or conical bob would be less effective.
Designed as a standard mounted polishing bob for use with rotary tools, die grinders, and drill presses accepting a 1/4 inch shank.
Installation is performed by machinists or finishing technicians using any rotary tool or die grinder with a compatible 1/4 inch collet or chuck. Ensure the tool is fully powered down and unplugged before inserting or removing the shank. Confirm the shank is seated and the collet is fully tightened before operation. Apply polishing compound to the bob face rather than the workpiece for more controlled compound distribution.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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