Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Need Help with Surface Finish Specifications

I would like to know the RMS equivalent to a Ra 0.2 finish on the surface of a tool steel. I would also like to know what the Chrome plating finish terminology is that would compare to a Ra 0.2 finish.

Jeff Walker
- Norcross, Georgia, USA
2003

Take a look at the answer I gave to question # 19460. This spec sounds extremely fine and I question it being correct, unless I am missing something.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2003

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