CGW 48532 4-1/2" diameter by 7/8" arbor zirconia blue fiber disc spindle pack is a high-performance sanding accessory designed for metalworking applications. The discs feature a zirconia ceramic grain bonded to a tough fiber backing, engineered to deliver sustained cutting action with notable heat resistance. This combination supports efficient material removal on welds, steel, and stainless steel, helping operators blend and feather joints with fewer passes compared to standard aluminum oxide discs. The spindle pack format provides convenient inventory for workshop use, allowing quick rotation through multiple discs during ongoing grinding tasks.
Constructed for durable, long-life performance, the zirconia grain is engineered to fracture in a controlled manner. This fracturing behavior maintains a consistent cutting action across the disc’s life, reducing glaze and loading that can slow progress. The 4-1/2" diameter and 7/8" arbor size align with common spindle and quick-change grinders used in metal fabrication and maintenance work. At a rated speed of 13,300 RPM, users should ensure their tool matches the disc’s maximum operating speed to maintain performance and safety. The package quantity is 100 discs per box, providing ready-to-use supply for production or service environments.
This description reflects the product’s documented specifications and intended use: high-concentration zirconia grain with heat-treated aluminum oxide characteristics for enhanced performance on welded joints and metallic surfaces. When selecting discs, verify compatibility with your grinder’s arbor size, RPM rating, and the wheel’s diameter to ensure safe and effective operation. Keep the discs organized by keeping the box quantity in mind to minimize downtime when changing discs during tasks.
Features:
- High concentration of Zirconia and heat-treated Aluminum Oxide for extended life and faster cutting
- Fracturing grain provides consistent action throughout the disc life
- Excellent performance on blending welds in steel and stainless steel
- 4-1/2 inch diameter with 7/8 inch arbor/shank size
- 80-grit for balanced material removal and finish
- Designed for spindle/disc mounting in maintenance applications
- Grain:
- Zirconia
- Dia:
- 4.5
- Arbor/Shank Size:
- 7/8
- Grit:
- 80
- RPM:
- 13300
- Package Size:
- Each
- Box Quantity:
- 100
