United Abrasives 54220 Specialty Fiber Disc is designed for precision finishing and ultra-smooth surface preparation. With a 7-inch diameter and a 7/8-inch arbor hole, it fits most standard grinders, making it versatile for detailed metalworking and finishing tasks. Built with premium 220-grit silicon carbide, this disc provides fine, controlled material removal and a polished finish on stainless steel, metal alloys, and other hard materials. Capable of handling up to 8500 RPM, it delivers safe and consistent performance. Packaged in bulk spindles of 100 pieces, it’s perfect for professionals and industrial users who need quality, efficiency, and long-lasting results.
Type: Fiber Disc | Abrasive Material: Silicon Carbide | Diameter (in.): 7 | Arbor Hole (in.): 7/8 | Grit: 220 | Max RPM: 8500 | Application: Blending, Grinding | Box of: 100 | __quantity: 100
Features:
- 7" diameter with 7/8" arbor hole for universal fit
- 220-grit silicon carbide for balanced cutting and finishing
- Maximum speed: 8500 RPM for high-performance grinding
- Strong fiber backing ensures long-lasting durability
- Bulk pack of 100 pieces for industrial and professional use
- Resin over resin construction for a strong bond that is resistant to heat and moisture
- Vulcanized fiber backing for heavy-duty sanding
- Available in bulk and Blue Line packaging
- Custom Discs: All custom fiber discs are non-cancellable and non-returnable

![]()
Looking for more information about United Abrasives Fiber Disc? Click here to view the Catalog
For help choosing the correct United Abrasives Fiber Discs for your application, please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
