Screw Jack
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Acme Screw Jacks
Broad, solid Acme threads make these screw jacks better than ball screw jacks for large loads, intermittent positioning applications, and where vibration is present. Screw jacks arrive assembled, threaded, and prepared for hookup.Connect a engine or hand-crank shaft to the screw jack shaft to lift, hold,placement, and level loads.
Travel distance per change, also called screw lead, is the distance lots moves with a single revolution of the shaft.
Acme Screw Jacks with Installation Plate
The mounting plate provides a flat work surface for supporting loads. Broad, strong Acme business lead screw threads make these screw jacks good for weighty loads, intermittent positioning applications, and where vibration is present. Connect a engine or hand-crank shaft to the screw jack shaft to lift,hold, placement, and level loads. Screw jacks arrive assembled, threaded, and ready for hookup.
Travel distance per change, also called screw lead, may be the distance lots moves with one revolution of the shaft.
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Ball Screw Jacks
Low-friction ball bearings allow these screw jacks to use half the energy required by an Acme screw jack to lift the same load. Typically used as actuators, they operate at higher speeds than Acme screw jacks. They come assembled, threaded, and ready for hookup. Connect a electric motor or hand-crank shaft to the screw jack shaft to lift, hold, position, and level loads.
Travel distance per turn, also known as screw lead, is the distance lots moves with a single revolution of the shaft.
DURABLE Screw Jacks
Long-term support for automotive 
repairs, construction tasks, or bridge repairs can be easily achieved with a screw jack from Northern Tool. Five- to 25-ton screw jacks adjust to practically any height you need. If you need a screw jack stand that is easily repositioned when required, we’ve got you protected.
Worm gear Screw Jack
Surface Treatment
Annealing, organic anodization, heat therapy, polishing, nickel plating, znic plating,Black surface painted etc.
Worm gear jack
Applications are varied and range between conveyor, elevator transfer to wide general industrial power transmission specialty applications with attachments