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Meaning of machine screw

machine' screw"

Pronunciation: [key]
  1. a threaded fastener, either used with a nut or driven into a tapped hole, usually having a diameter of about in. (6.4 mm) or less and a slotted head for tightening by a screwdriver. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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