No cost, no registration, no passwords -- just aloha, fun & authoritative answers
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)
Where the
world gathers for metal finishing
Q&As since 1989
-----
N3 finish
I have a blueprint that calls out N3 (the N3 is above a checkmark, I think indicating it is an RMS finish). I don't know what this is. Can someone answer this question?
Jan Clark
- Carlsbad, California, USA
2002
N3 correspomds to 4 micro-inches (definition found at www.predev.com/smg/specification.htm).
Giovanni M. Ciriani
Promotion - Altavilla VI, Italy
2002
Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.
If you are seeking a product or service related to metal finishing, please check these Directories: