8" x 3" 800 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 ultra-fine pre-polishing across an extra-wide surface area on expandable rubber drum wheels and upright belt sanders. Engineered with 800 grit diamond abrasives securely embedded in a resilient resin matrix, it develops a deep, smooth semi-gloss finish on cabochons, mineral slabs, and glass art prior to final cerium or diamond mirror polishing.

• Dimensions: 3" Width × 25-7/32" Length (Fits standard 8" × 3" Expandable Drums)
• Grit: 800 Grit (Ultra-Fine Pre-Polishing & Semi-Gloss Finishing)
• Bond Type: Resin Bonded Diamond
• Backing: Heavy-duty flexible cloth backing designed for drum expansion
• Applications: Cabochon fine polishing prep, glass edge finishing, mineral slab pre-polishing, and ceramic smoothing
• Usage: Recommended for wet use with continuous water coolant for maximum belt longevity