CGW 48537 5" Dia x 7/8" 80-Grit Zirconia Blue Fiber Disc Spindle Pack

The CGW 48537 5" Zirconia Blue Fiber Disc Spindle Pack is designed for general-purpose blending and finishing on metal surfaces, including welds on steel and stainless steel. The 5-inch diameter and 7/8-inch arbor size fit standard spindle systems used on common angle grinders and dedicated fiber disc tools, making it a versatile choice for shop floors and fabrication settings. The discs use zirconia abrasive grains, which are heat resistant and engineered to provide a consistent cutting action throughout the life of the disc, helping to maintain steady material removal as you work.

A key distinguishing feature is the combination of zirconia grain with heat-treated aluminum oxide matrix, delivering higher grinding efficiency than traditional premium aluminum oxide discs. This construction supports extended service life and more even wear during heavy deburring, blending, and edge work. The 80-grit specification targets material removal and surface blending that balances rapid stock removal with a smoother finish, suitable for preparing welds for subsequent polishing or coating.

Packaging is organized as a spindle pack with 100 discs per box, with each disc sized for 5" diameter and 7/8" arbor/shank. When selecting these discs, ensure your equipment is compatible with standard 5" fiber discs and 7/8" arbors, and observe appropriate safety practices and wheel rpm limits for your grinder. Handling and mounting according to the manufacturer’s guidance will help achieve consistent performance and avoid disc imbalance or chatter during operation.

Features:

• High zirconia and heat-treated aluminum oxide grain for extended cutting life
• Twice the cutting action of premium aluminum oxide discs
• Excellent heat resistance for high-temperature grinding
• Consistent cutting due to zirconia grain fracturing characteristics
• Suitable for blending welds on steel and stainless steel
• 5" diameter with 7/8" arbor
• Discs packaged as 100 per box