7" Zirconia Edger Discs – 5/16" or 7/8" Arbor

7" Zirconia Edger Discs – 5/16" or 7/8" Arbor Heavy-duty zirconia edger discs designed for aggressive sanding, grinding, and surface preparation on wood, metal, fiberglass, and composites. Zirconia abrasive is known for its fast cutting action, long life, and self-sharpening properties, making these discs an excellent choice for demanding sanding applications. Common Uses: Floor edging and sanding in hard-to-reach areas Aggressive stock removal on wood Paint, rust, and coating removal Metal grinding and weld cleanup Surface preparation before finishing or coating Sanding fiberglass and composite materials Why Zirconia? Cuts faster than standard aluminum oxide Longer lasting abrasive for extended use Self-sharpening grain stays aggressive longer Handles high-pressure sanding applications Arbor Options: 5/16" Arbor – Fits compatible portable edger and specialty sanding equipment 7/8" Arbor – Common fit for floor edgers and industrial sanding machines