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8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm 8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm 8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm 8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm

8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm

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Manufacture and Sale 8:1 ratio hand worm screw lift 10 tons manual screw jacks 500 mm.

The most common jack is the worm gear screw jack, also referred to as machined screw jacks because the acme, or trapezoidal, lead screw is machined. In addition to the low cost and self-locking characteristics, another advantage of worm gear screw jacks, and all screw jacks, is the mechanical advantage achieved through the internal gear ratio resulting in the ability to lift, lower, push or pull a significant load with a relatively small amount of torque on the I/O shaft.

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