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The VALUE COLLECTION 516147 is a conical-shaped mounted polishing bob made from medium-density wool felt. It is designed for use with rotary tools, die grinders, and bench grinders where a flexible, absorbent polishing surface is needed to apply compound, rouge, or polish to contoured and hard-to-reach surfaces. The bob mounts via a 1/4 inch shank and delivers consistent surface contact thanks to its conical geometry. With a maximum diameter of 3/4 inches and a head length of 1.5 inches, it suits fine finishing work on metal, wood, plastic, and similar materials. Machinists, toolmakers, and fabricators are the primary users of this type of abrasive accessory.
This mounted polishing bob is suited for precision finishing and detailing applications where a rotary tool needs to reach recesses, cavities, bores, or curved profiles. The conical shape allows the working face and sides to contact irregular geometry without the rigidity of a wheel or disc. It is commonly used in tool and die shops, metal fabrication environments, and general maintenance settings where surface finishing quality matters.
Designed for use with rotary tools, die grinders, and similar equipment fitted with a 1/4 inch collet or chuck. Suitable for finishing metal, plastic, and wood surfaces where a mounted wool felt bob is the appropriate abrasive media.
Installation is performed by inserting the 1/4 inch shank into a compatible collet and tightening according to the tool manufacturer's guidelines. Power down and disconnect the rotary tool or grinder before mounting or removing the bob. Inspect the felt head for wear or separation before each use and replace if the bob shows signs of deterioration. Follow applicable shop safety practices including eye protection when operating any rotary abrasive accessory.
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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