8" x 3" 3000 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 high-luster pre-polishing across an extra-wide surface area on expandable rubber drum wheels and upright belt sanders. Engineered with 3000 grit micro-diamond abrasives embedded in a resilient resin matrix, it rapidly creates a bright reflective surface on gemstones, cabochons, glass art, and mineral slabs.

• Dimensions: 3" Width × 25-7/32" Length (Fits standard 8" × 3" Expandable Drums)
• Grit: 3000 Grit (High-Luster Pre-Polishing)
• Bond Type: Resin Bonded Diamond
• Backing: Heavy-duty flexible cloth backing designed for drum expansion
• Applications: Cabochon high-grade polishing, glass edge luster finishing, mineral specimen prep, and agate polishing
• Usage: Recommended for wet use with continuous water coolant for maximum belt longevity