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topic 18658

RMS vs. RQ surface finish


2002

Surface finishes. Do you know if there is a chart that converts RMS to RQ? What is 8RMS in RQ?

Richard Eggleston
- Davie, Florida


2002

Unless I am mistaken, these are one and the same. There is no difference. Rq is the newer term that is suppose to be used now. Some wording and standards are being revised or renamed as ISO terminology gains more ground.

tony kenton
AF Kenton
Hatboro, Pennsylvania



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