jackscrew, screw jack(noun)
A jack (mechanical lifting device) which is operated by turning a leadscrew.
a jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5
A jackscrew is a type of jack which is operated by turning a leadscrew. In the form of a screw jack it is commonly used to lift heavy weights such as the foundations of houses, or large vehicles.
The numerical value of jackscrew in Chaldean Numerology is: 8
The numerical value of jackscrew in Pythagorean Numerology is: 3
Images & Illustrations of jackscrew
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