roughing mill
noun1
A metal disc charged with wet emery, etc., for grinding gems.
2
A type of endmill optimized for roughing out.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun — 2 senses
A metal disc charged with wet emery, etc., for grinding gems.
A type of endmill optimized for roughing out.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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