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The VALUE COLLECTION 516117 is a cylinder-shaped mounted polishing bob designed for fine polishing, buffing, and surface finishing work on metal, wood, plastic, and similar materials. Constructed from medium-density wool felt, it delivers consistent, controlled polishing pressure across contoured and flat surfaces. The bob measures 0.5 inches in maximum diameter with a 0.5-inch head length, and mounts on a 0.125-inch diameter shank with a 2-inch shank length, making it compatible with standard rotary tools, die grinders, and flex-shaft machines. Machinists, toolmakers, jewelers, and finishing technicians are the typical users of this style of abrasive accessory.
This mounted polishing bob is suited for detail finishing work where a small-diameter tool is needed to reach tight areas, bores, cavities, or intricate contours. The cylinder profile maintains edge contact geometry, which is useful when polishing inside slots, small holes, or stepped surfaces. It is appropriate for use in machine shops, jewelry studios, dental labs, and general metalworking environments. The medium-density felt balances polishing compound retention with surface aggressiveness, making it practical for pre-polish and final-finish stages.
Designed for use with rotary tools, die grinders, and flex-shaft machines accepting a 0.125-inch shank diameter collet or chuck.
Install the shank securely into the collet or chuck of the rotary tool before starting. Ensure the tool is powered off and unplugged before mounting or removing the bob. Do not exceed the maximum RPM rating of the tool or the bob. Apply polishing compound to the felt surface before use rather than to the workpiece alone for more uniform results.
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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