Feed screw

in lathes, a long screw employed to impart a regular motion to a tool rest or tool, or to the work.- Knight.

feed screw

[′fēd ‚skrü] (mechanical engineering) The externally threaded drill-rod drive rod in a screw- or gear-feed swivel head on a diamond drill; also used on percussion drills, lathes, and other machinery.

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