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hand screw
[ hand skroo ]
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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Word History and Origins
Origin of hand screw1
First recorded in 1755–65
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Example Sentences
The main valves are connected by a right and left hand screw, to enable their adjustment, as are also the cut-off valves.
From Project Gutenberg
Contact is thus made between the upper binding screw and the left-hand screw.
From Project Gutenberg
The halved lap joint is easily clamped up with a common hand screw, even when the frame is a very large one.
From Project Gutenberg
A hand screw or vise should be opened to almost the distance required.
From Project Gutenberg
The back of the copying-frame, showing the hand-screw and pressure-board.
From Project Gutenberg
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