roughing mill

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Noun[edit]

roughing mill (plural roughing mills)

  1. A metal disc charged with wet emery, etc., for grinding gems.
  2. A type of endmill optimized for roughing out.
Retrieved from "https://en.wiktionary.org/w/index.php?title=roughing_mill&oldid=77524995"