8" x 3" 325 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 refined surface smoothing and fine scratch removal across an extra-wide surface area on expandable rubber drum wheels and upright belt sanders. Engineered with 325 grit diamond abrasives securely embedded in a resilient resin matrix, it smooths hard gemstones, mineral slabs, and glass edges prior to high-luster polishing.

• Dimensions: 3" Width × 25-7/32" Length (Fits standard 8" × 3" Expandable Drums)
• Grit: 325 Grit (Refined Smoothing & Fine Pre-Polishing)
• Bond Type: Resin Bonded Diamond
• Backing: Heavy-duty flexible cloth backing designed for drum expansion
• Applications: Cabochon smoothing, glass edge refinement, mineral slab scratch blending, and ceramic prep
• Usage: Recommended for wet use with continuous water coolant for maximum belt longevity