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Surface Roughness (Rz)

Rz microscopic unevenness ten-point height: the sum of the average of the maximum profile peak height and the average of the five maximum profile valley depths within the sampling length.

Technical profile

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

Rz microscopic unevenness ten-point height: the sum of the average of the maximum profile peak height and the average of the five maximum profile valley depths within the sampling length.

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