Resin Bond Discs

Resin Bond Polishing Discs – Fine Grinding & Pre-Polish Discs for Lapidary

Professional resin bond diamond polishing discs for lapidary fine grinding, pre-polish, and surface finishing on flat lap machines and polishing systems. The flexible resin matrix delivers a smooth, consistent finish — ideal for agate, jasper, quartz, turquoise, and semi-precious gemstones at 600 to 3000 grit pre-polish stages.

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Disc Specifications

Diameter Grit Stage Notes
6" / 8" 600 Fine grinding Removes coarse grinding scratches
6" / 8" 1200 Pre-polish Core lapidary pre-polish stage
6" / 8" 3000 Fine pre-polish Near-mirror surface before final polish
6" / 8" 8000+ Ultra-fine pre-polish High-gloss finish on hard gemstones

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Frequently Asked Questions

  • Q: What is the difference between resin bond discs and metal bond discs?
    A: Resin bond discs have a flexible matrix that produces a smoother surface finish, making them ideal for pre-polish and fine grinding stages. Metal bond discs are harder and more aggressive, suited for coarse stock removal.
  • Q: Do resin bond discs work on flat lap machines?
    A: Yes — resin bond discs are designed for flat lap machines and are available with arbor or magnetic backing to fit standard 6" and 8" flat lap systems.
  • Q: What comes after resin bond discs in the polishing sequence?
    A: After 3000–8000 grit resin pre-polish, the final step is a polish compound (cerium oxide, aluminum oxide, or diamond paste) applied on a leather, felt, or ceramic lap for the final high-gloss finish.
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