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RMS vs. RQ surface finish

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.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2002

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