3350×50mm 400 Grit Flexible Diamond Sanding Belt – For Stone, Glass, Metal & Lapidary Grinding

Discover high-performance Flexible Diamond Sanding Belts — precision-engineered for use with expanding drum sanders. These professional-grade diamond abrasive belts deliver consistent results for grinding, shaping, and polishing even the toughest materials, including hard stones, glass, ceramics, and advanced composites.

Each Diamond Expanding Drum Belt features premium electroplated or resin-bonded diamond abrasives on a flexible backing, ensuring aggressive cutting action with long-lasting durability. Ideal for lapidary artists, jewelers, glassworkers, and industrial fabricators.

When installed on a compatible rubber expanding drum wheel, these expanding drum belts stay securely tensioned during operation, creating a uniform contact surface for flawless results on both flat and contoured surfaces.

Common Applications:

• Metals: Perfect for grinding and polishing tungsten, carbide, hardened steel, and stainless steel.
• Glass: Efficiently smooth edges and surfaces on optical glass, stained glass, and fused glass art.
• Ceramics & Composites: Shape technical ceramics, porcelain, and carbon fiber composites with precision.
• Natural & Synthetic Stones: Achieve professional cabochon and faceting prep on granite, quartz, jade, agate, and sapphire.

Compatible with most standard lapidary and bench grinders.