Thin Rim Blades

Thin Rim Diamond Blades – Precision Cutting with Minimal Kerf Loss

Professional thin rim diamond blades for lapidary, gemstone slicing, and precision stone cutting. The ultra-thin kerf minimizes material loss and reduces cutting force — ideal for valuable rough, delicate specimens, and applications where every millimeter counts.

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Blade Specifications

Diameter Kerf Thickness Application Notes
4" (100mm) 0.6–0.8mm Small gemstones, specimens Minimum material loss
6" (150mm) 0.8–1.0mm Lapidary trim saws Standard lapidary thin rim size
8" (200mm) 1.0–1.2mm Larger rough, semi-precious stone Wet cutting required

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Frequently Asked Questions

  • Q: Why use a thin rim blade instead of a standard blade?
    A: Thin rim blades reduce kerf loss, which is critical when cutting valuable rough gemstones. Less material is wasted per cut, and the reduced cutting force puts less stress on delicate specimens.
  • Q: Are thin rim blades more fragile?
    A: Thin rim blades require proper support and wet cutting. They should not be used for side grinding or lateral pressure, which can cause blade warping or breakage.
  • Q: What RPM should I use with a thin rim blade?
    A: Follow the blade manufacturer's recommended surface speed (typically 3,000–5,000 SFM). Running too fast or too slow reduces blade life and cut quality.
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