Screw Spiral Jack Usually packed by carton and wooden case. or according to customers' demand
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To be negotiated
3.2ton -100ton Spiral Types Hydraulic Jack Screw Jack
A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderately heavy weights, such as vehicles. More commonly, it is used as an adjustable support for heavy loads, such as the foundations of houses or large vehicles.
How screw jack works:
A screw jack is a gearbox assembly (either worm gear or bevel gear) and a transmission product (lead screw, ball screw or roller screw) which through use of a motor is used to convert rotary into linear motion. They can be used to push, pull, tension, lock, unlock, tilt, pivot, roll, slide and lift or lower loads, anything from a few kilos to thousands of tonnes.