Screw Jack
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Acme Screw Jacks
Broad, strong Acme threads make these screw jacks much better than ball screw jacks for large loads, intermittent positioning applications, and where vibration exists. Screw jacks arrive assembled, threaded, and prepared 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 referred to as screw lead, may be the distance a load moves with one revolution of the shaft.
Acme Screw Jacks with Installation Plate
The mounting plate provides a flat work surface for supporting loads. Wide, strong Acme business lead screw threads make these screw jacks best for large 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 prepared for hookup.
Travel distance per convert, also called screw lead, may be the distance a load moves with 1 revolution of the shaft.
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Ball Screw Jacks
Low-friction ball bearings allow these screw jacks to make use of half the energy required by an Acme screw jack to lift the same load. Typically utilized as actuators, they run at higher speeds than Acme screw jacks. They come assembled, threaded, and ready for hookup. Connect a motor or hand-crank shaft to the screw jack shaft to lift, hold, position, and level loads.
Travel distance per turn, also referred to 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 projects, or bridge repairs is usually easily accomplished with a screw jack from Northern Tool. Five- to 25-ton screw jacks modify to practically any elevation you need. If you need a screw jack stand that is easily repositioned when needed, we’ve got you covered.

Worm gear Screw Jack
Surface Treatment
Annealing, natural anodization, heat treatment, polishing, nickel plating, znic plating,Black surface painted etc.

Worm gear jack
Applications are varied and range from conveyor, elevator transfer to broad general commercial power transmission specialty applications with attachments