Sanding Accessories

Lapidary Sanding Accessories – Expandable Rubber Drum Wheels

Expandable rubber drum wheels for lapidary belt grinders and sanding machines. The rubber drum expands when tightened to grip diamond sanding belts securely, preventing slippage during wet grinding and polishing of stone, glass, and ceramic. Available in three sizes to match standard lapidary machine configurations.

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Drum Wheel Specifications

Size Price Compatible Belt Width
6" x 1½" $45.00 1½" wide belts
6" x 2½" $45.00 2½" wide belts
8" x 3" $75.00 3" wide belts

Drum Wheel Compatibility Guide

Drum Size Compatible Belt Collections Typical Machine Type Best For
6" x 1½" Diamond Sanding Belts, Expanding Belts, Resin Belts, Cerium Oxide Belts Standard lapidary grinder Cabochon grinding, small stone work
6" x 2½" Diamond Sanding Belts, Expanding Belts, Resin Belts, Cerium Oxide Belts Standard lapidary grinder Medium stone shaping, glass edge work
8" x 3" Diamond Sanding Belts, Expanding Belts, Resin Belts, Cerium Oxide Belts Heavy-duty lapidary grinder Large stone slabs, production grinding

Compatible Applications

  • Lapidary belt grinder drum wheel replacement
  • Diamond sanding belt mounting for stone grinding
  • Resin diamond belt mounting for pre-polish stages
  • Cerium oxide belt mounting for final polish stage
  • Glass edge grinding and beveling on drum setups
  • Ceramic and porcelain surface grinding
  • Multi-stage grit progression on lapidary machines

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Frequently Asked Questions

  • Q: How does an expandable rubber drum wheel work?
    A: The rubber drum expands radially when the center bolt is tightened, gripping the inside of the sanding belt to hold it firmly in place. Loosen the bolt to release and swap belts quickly.
  • Q: What sanding belts are compatible with these rubber drum wheels?
    A: Compatible with standard diamond sanding belts, resin diamond belts, and cerium oxide belts that match the drum’s diameter and width. Use our 6"x1½", 6"x2½", or 8"x3" belts for a perfect fit.
  • Q: Can rubber drum wheels be used wet?
    A: Yes — rubber drum wheels are designed for wet lapidary use. The rubber material is water-resistant and maintains grip when wet.