Surface Finish Comparison

Originally published at: https://edmproud.com/surface-finish-comparison/

There are several different surface finish scales commonly being used. Typically, µmRmax (Ry), µmRa, µinRa, are the scales in use. Following is a helpful Surface Finish Comparison Chart that provides values for several different finish scales.

![|651x292](upload://14Oe5xAQWi79Y275wv0kmYdga2T.jpeg) ![|227x500](upload://8Y98xclMRqtBIL3jnTa4ecF7uiL.jpeg)