Value Collection 516174 Polishing Bob Ball 3/4 in Wool Felt

Product Description

The VALUE COLLECTION 516174 is a ball-shaped mounted polishing bob designed for precision surface finishing, deburring, and polishing operations on metal, wood, and similar materials. Constructed from medium-density wool felt, this bob delivers consistent cutting and polishing action suited to die grinders, drill presses, and rotary tools. The 3/4 inch maximum diameter ball head paired with a 1/4 inch shank provides stable, controlled contact in tight contours and hard-to-reach areas. Machinists, toolmakers, and finishing technicians reach for this style of bob when blending surfaces or bringing edges to a refined finish.

This mounted polishing bob is suited to light industrial, machine shop, and bench work applications. It fits standard 1/4 inch collets found on most die grinders and rotary tools. The ball profile makes it especially useful for polishing concave surfaces, mold cavities, and contoured workpieces where flat or tapered bobs cannot maintain consistent contact. Sold individually, it is a standard consumable in production and maintenance finishing operations.

Key Features

• Ball-shaped head for polishing concave surfaces and contoured workpieces
• Medium-density wool felt construction for consistent polishing and blending action
• 3/4 inch maximum diameter provides effective contact area in confined areas
• 1/4 inch shank diameter fits standard die grinder and rotary tool collets
• 2 inch shank length for extended reach in deep cavities or recessed surfaces
• Lightweight at 0.026 pounds for reduced operator fatigue during extended use

Compatibility

Designed as a standard replacement or consumable polishing bob for use with rotary tools and die grinders accepting a 1/4 inch shank collet.

Installation Notes

Installation is performed by machinists or finishing technicians using any rotary tool or die grinder with a matching 1/4 inch collet. Ensure the tool is powered off and unplugged before inserting or removing the shank. Tighten the collet securely before operation to prevent the bob from spinning free at operating speed. Follow the tool manufacturer's recommended RPM range for felt polishing bobs to avoid premature wear or heat buildup.