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hand screw

noun
  1. a screw that can be tightened by the fingers, without the aid of a tool.
  2. Also called hand-screw clamp. Carpentry. a clamp having two wooden jaws that are adjusted by two long screws.
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Origin of hand screw

First recorded in 1755–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hand screw

Historical Examples of hand screw

  • The back of the copying-frame, showing the hand-screw and pressure-board.

    The Boy's Playbook of Science

    John Henry Pepper