Electric Keyed Worm Gear Screw Jack

Keyed screw jack , also called anti rotation screw jack . Using a key  fixed to the main body of the Jack. 
  • Brand:

    Lude
  • Payment:

    T/T , Credit Card
  • Market price:

    $150
  • Product origin:

    Dezhou , China
  • Color:

    Blue
  • Shipping port:

    Shanghai / Tianjin
  • Lead Time:

    15 days after the deposit
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  • Product Details

  • Photo

When Work Screw rotation must be prevented, the Jacks can be realized with keyway along the Work Screw, a matching key is fastened to the cover of the Jack which will eliminate Work Screw rotation.


This design is only available for translating screw jacks .If the structure/object connected to the lead screw is not prevented from rotating or the lead screw is not always in contact with the structure then a screw jack with an “Anti-Rotation” mechanism (keyed) should be used. For machine screw jacks the mechanism uses an internal key to prevent the lead screw from rotating.


Anti-rotation device is suggested for limited strokes and low speed.The Anti-rotation device causes greater than normal wear on the Work Screw, somewhat reducing Jack life.

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