• Manual  Acme Screw Jack
    5 Ton Manual Acme Screw Jack with Rotating Nut
    Main data: 1.Maximum static lifting force 5 tons.  2. Screw diameter 40 mm, lead 7 mm. 3. Worm gear ratios 1/6, 1/24. 4. Gearbox sizes 210x158x128mm 5. Center height 61.5mm, center distance 56mm 6. Worm shaft diameter 20mm Features: SWL screw jack is suitable for low speed and low frequency. Main components:Precision trapezoid screw pair and high precision worm-gear pair. 1.Economical: Compact design,easy operation,convenient maintenance. 2.Low speed and low frequency Be suitable for heavy load,low speed,low service frequency. 3.Self-lock Trapezoidal screw has self-lock function,it can hold up load without braking device when screw stops traveling. 4. Widely applied in industries such as machinery, metellurgy, construction and hydraulic equipment. 5. Top End: top plate, clevis end, threaded end, plain end

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