6"x2.5" 140Grit Diamond Resin Sanding Belt – Flexible Grinding & Polishing for Stone, Glass & Metal

Our Lapidary Diamond Sanding Belts —especially the Diamond Resin Sanding Belts —are engineered for professional sanding and polishing in lapidary applications. Made with a durable polyester backing and a wear-resistant joint, these belts are part of our advanced resin diamond polishing system and are designed exclusively for wet use to ensure smooth performance and reduced heat buildup. The premium resin bond delivers a high-quality finish on stones, glass, opal, gemstone, quartz, beryl, topaz and other hard materials, while providing durability up to 50–100× longer than traditional abrasives and silicon carbide belts.

Applications

These belts are ideal for both cutting and polishing. They are widely used on upright belt sanders such as Bee Metal models for:

• pre-polish finishing
• blemish removal,
• surface preparation before final polishing

Whether you’re a hobbyist or a professional, these diamond lapidary sanding belts provide consistent, reliable, high-quality results.

Key Features

• Durable polyester backing with reinforced joint
• premium resin Diamond bond for long service life
• Designed exclusively for wet grinding & polishing
• 50–100× longer lifespan than silicon carbide belts
• Ideal for stones, glass,  gemstone,beryl, topaz & more
• Perfect for cutting, sanding, shaping & pre-polishing
• Smooth performance with reduced heat buildup
• Compatible with upright belt sanders (Bee Metal, etc.)