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Grit Table / diamond / Atoma diamond plates

Product graded in microns

Atoma diamond plates

Monocrystalline diamond, micron figures retailer-quoted

Atoma plates carry a JIS-mesh number, but the working figure is a micron. Tsuboman's own spec sheet was not reachable, so these microns are retailer-quoted, a maker figure at one remove, drawn faded. No distribution is published, and some retailers list broader ranges, noted per grade.

Each grade below shows its size in microns, its spread (the published distribution, where a maker or standard gives one; most makers publish none), and where that size lands on the reference scale, a shared yardstick for reading grit numbers across makers.