hand screw


noun

a screw that can be tightened by the fingers, without the aid of a tool.
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. 2020