These brand names together point to aftermarket grinding stones for automatic fabric cutters in the apparel and furniture industries, available from several specialized suppliers.
What these grinding stones are
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These are abrasive wheels used to sharpen the rotary or straight knives on auto-cutters from Gerber, Lectra, Bullmer, Yin, FK, IMA, Takatori, Kuris, Investronica, Eastman, PGM, and OROX.
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They are made to OEM-equivalent dimensions and grits so they can be used as direct replacements in the cutter’s built‑in sharpening system.
Example suppliers and coverage
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Some Chinese manufacturers state their grinding wheels are suitable for all of the listed machines (Gerber, Lectra, Bullmer, Yin, PGM, FK, Eastman, IMA, Takatori, Kuris, Investronica, OROX).
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Trading companies such as Liberty Cutter Parts and similar wholesalers sell Kuris, Gerber and other-branded knife grinding stones specifically for the apparel industry.
Typical specs and part-matching
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Grinding stones are usually specified by outer diameter, inner bore, thickness, and grit (for example 60‑grit wheels for Gerber GT7250/S91 cutters).
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To purchase correctly, match your cutter model and OEM part number (e.g., Kuris 24420/24422 stones) against the supplier’s cross-reference list.
How to source them
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You can order directly from dedicated cutter-parts suppliers that list cross‑compatible grinding wheels, or from manufacturers that export abrasives for all the brands you mentioned.
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