What is a tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe called?
chaser — (Mech.) A tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00