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Surface Flatness

When processing or producing something, the surface is not absolutely flat, and the difference between the unevenness and the absolute level is the flatness. (The smaller the value, the better).

Technical profile

Manufacturer / publisherGRISH / Beijing Grish Hitech
Brand / publisherGRISH
Content typeglossary
LanguageEnglish
CategoryLapping, honing & superfinishing
Updated2026-10-16
GRISH published content
Source: https://grish.com/term/surface-flatness-2/ · Original publication: 2022-09-23. Manufacturer claims and terminology are reproduced as source material.Explore Polishing glossary ↗

When processing or producing something, the surface is not absolutely flat, and the difference between the unevenness and the absolute level is the flatness. (The smaller the value, the better).

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