8" x 3" 50000 Grit Resin Bonded Diamond Sanding Belts – Precision Grinding & Polishing for Stone, Glass & Metal

Our 8" × 3" Resin Bonded Diamond Sanding Belt (3" × 25-7/32") provides the ultimate mirror-finish polishing across an extra-wide surface area on expandable rubber drum wheels and upright belt sanders. Engineered with 50000 grit ultra-pure sub-micron diamond abrasives embedded in a resilient resin matrix, it produces museum-grade optical polish and brilliant specular reflection on hard gemstones, jade, agate, glass, and ceramics.

• Dimensions: 3" Width × 25-7/32" Length (Fits standard 8" × 3" Expandable Drums)
• Grit: 50000 Grit (Ultimate Mirror Optical Polish)
• Bond Type: Resin Bonded Diamond
• Backing: Heavy-duty flexible cloth backing designed for drum expansion
• Applications: Cabochon final mirror polishing, optical-grade glass finishing, mineral specimen final luster, and gemstone polishing
• Usage: Recommended for wet use with continuous water coolant for maximum belt longevity