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Flexible Diamond Sanding Belts

Exapndable Rubber Drum Wheel was Angled expansion slots through the heavy rubber rim allow the drum to expand when rotated; thereby locking the belt in place. the best way to obtain smooth, highly polished stones. The soft, pliable rubber expands during rotation to grip the sanding or polishing belts.Belts can be quickly changed by stopping the machine, slipping of the old one and sliding on the new. In use, the resilient drum surface flexes to the gemstones contour to quickly remove grinding flats. The convex shaped drum provides the cutting action necessary to remove scratches.Expandable Drum Sander Wheel will expands when the machine is turned on which holds the sandingbelts in place when the machine is running.Sold without belt. Maximum recommended speed is 1800 RPM. CAUTION: Do not run the drum without belts in place as damage to the rubber rim may result.

Exapndable Rubber Drum Wheel are commonly used in tasks that require precise shaping and finishing of materials such as gemstones, metals, and wood. They offer a secure grip on sanding or polishing belts and can quickly remove grinding flats and imperfections, resulting in a smooth and polished surface.

Order Code Format

which includes the following components:

FDSB: This is likely an abbreviation or code representing our product.

Length: This should be replaced with the desired length of the product you want to order.

Width: This should be replaced with the desired width of the product you want to order.Grit: This should be replaced with the specific grit level or abrasive coarseness you require for the product.


  • Grit: Available in various grit levels, including 60, 120, 240, 400, 600, 800, and 1200 grit. The choice of grit depends on the level of abrasiveness required for your specific application.

  • Size (Diameter): The bands come in various sizes to accommodate different tools and applications, with diameters including 10x20mm, 15x30mm, 22x20mm, 25x25mm, 30x30mm, 45x30mm, and 50x40mm.



  • Diamond Abrasive: The most significant feature is the use of diamond abrasive particles. Diamond is one of the hardest materials on Earth, making it highly effective for abrasive applications. It provides exceptional durability and long-lasting performance.

  • Precision Grinding: Diamond abrasive ensures precision grinding and shaping. These belts can remove material quickly while achieving a high degree of accuracy and consistency in the finished surface.

  • Durability: Diamond expanding drum sanding belts are known for their durability. They can withstand heavy use and maintain their cutting and grinding efficiency over extended periods.

  • Versatility: These belts can be used on a wide range of materials, including wood, metal, glass, ceramics, stone, composites, and more. This versatility makes them suitable for various industries and applications.

  • Consistent Finish: Diamond nodes on the belt are often inter-spaced strategically to resist debris build-up. This ensures a consistent finish, preventing irregularities in the sanded or polished surface.

  • Compatibility: Diamond expanding drum sanding belts are designed to fit expanding rubber mandrels or drums. This compatibility allows for easy attachment and use with different sanding machines.

  • Wet or Dry Use: They can be used both in wet and dry conditions, offering flexibility based on the application's requirements and user preferences.

  • Color-Coded: Some manufacturers color-code their diamond sanding belts for easy grit identification. This simplifies the selection process when choosing the right abrasive coarseness for the task.

  • Heat Resistance: Diamond abrasive is heat-resistant, which is crucial when working with hard materials that can generate heat during sanding or grinding. This feature helps prevent overheating and damage to the workpiece.

  • Smooth Operation: Diamond expanding drum sanding belts often provide a smooth and efficient sanding operation, reducing the likelihood of gouging or uneven results.

  • Longevity: Due to their exceptional hardness and durability, diamond expanding drum sanding belts have a longer lifespan compared to traditional abrasive belts.

  • Specialized Applications: Some diamond sanding belts are specifically designed for particular applications, such as lapidary work, glass or stone fabrication, and metalworking.

  • High-Quality Finish: They are capable of producing a high-quality, mirror-like finish on various materials, making them ideal for applications where surface aesthetics are crucial.

  • Woodworking: Diamond expanding drum sanding belts are used in woodworking to sand and shape wooden surfaces. They can be employed to smooth rough wood, remove material quickly, or achieve fine finishes on wooden projects.

  • Metalworking: These belts are also useful in metalworking applications. They can be used to remove burrs, shape metal parts, and polish metal surfaces. They are particularly effective for working with hard metals like stainless steel and steel alloys.

  • Lapidary Work: Diamond sanding belts are essential tools in lapidary work, which involves cutting, shaping, and polishing gemstones and minerals. They can help in shaping and smoothing rough gemstone surfaces.

  • Glass and Ceramic Grinding: When working with glass and ceramics, diamond expanding drum sanding belts are used for precise shaping and smoothing of edges and surfaces. They are commonly employed in the glass and ceramics industry.

  • Jewelry Making: For jewelry makers, these belts are handy for polishing and shaping jewelry components. They can help achieve a high level of precision in jewelry crafting.

  • Automotive and Aerospace: In industries like automotive and aerospace, diamond sanding belts can be used for surface preparation, deburring, and finishing of various parts and components made from hard materials like carbon fiber composites and metals.

  • Stone Fabrication: Diamond sanding belts are extensively used in stone fabrication to shape and polish natural and engineered stone surfaces. They are crucial in creating countertops, sculptures, and other stone products.

  • DIY and Home Improvement: For DIY enthusiasts and home improvement projects, diamond sanding belts can be used for tasks like refinishing furniture, sharpening tools, and smoothing rough surfaces.

  • Dental and Orthopedic Work: In dental and orthopedic laboratories, these belts can be used for precision work on dental prosthetics, orthopedic implants, and other medical devices made from hard materials.

  • Composite Materials: In industries that work with composite materials, such as carbon fiber, fiberglass, and resin composites, diamond expanding drum sanding belts are used for shaping and finishing composite parts.

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Frequenstly Answer Qeustion

Q: How do I change the sanding belt or sleeve on an Expandable Drum Wheel?

To change the sanding belt or sleeve, you typically stop the machine, remove the old belt or sleeve, and slide on a new one. It's a straightforward process that allows for quick transitions between different abrasive materials.

Q: What safety precautions should be taken when using an Expandable Drum Wheel?

It's essential to ensure that the machine is turned off when changing sanding belts or sleeves. Additionally, always follow safety guidelines and wear appropriate protective equipment, such as safety glasses and dust masks, when operating the machine.

Q: Can an Expandable Drum Wheel be used for both dry and wet applications?

Some Expandable Drum Wheels are designed for wet applications, while others are suitable for dry use. It's crucial to check the manufacturer's specifications and recommendations for the specific model you have.

Q: What is the maximum recommended speed for an Expandable Drum Wheel?

The maximum recommended speed can vary depending on the specific Expandable Drum Wheel model. Be sure to adhere to the manufacturer's recommendations to ensure safe and effective use.

Q: Can an Expandable Drum Wheel be used without a sanding belt or sleeve in place?

It's generally not advisable to run an Expandable Drum Wheel without a sanding belt or sleeve in place, as doing so may damage the rubber drum. Always ensure that a sanding belt or sleeve is properly installed before operating the machine.

Q: What are some common applications for Expandable Drum Wheels?

Expandable Drum Wheels are commonly used for tasks such as shaping, contour sanding, and polishing in lapidary work, jewelry making, metalworking, woodworking, and other precision finishing applications.

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