
plating, anodizing, & finishing Q&As since 1989
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N3 finish
2002
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. CirianiPromotion - Altavilla VI, Italy
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