20 T Mechanical Adjustable High Rise Lift Screw Jack with High Quality

Screw jack, also known as mechanical jack, is driven by manpower through the screw pair, screw or nut sleeve as a lifting part.Ordinary screw jack supports heavy objects by thread self-locking. It has simple structure, but low transmission efficiency and slow return trip.The screw of the self-descending screw jack has no self-locking effect and is equipped with a brake.Loosen the brake, the weight can descend quickly, shorten the return time, but this kind of jack structure is more complex.Screw jacks can support heavy loads for a long time, the maximum lifting weight has reached 100 tons, widely used.The lower part of the horizontal screw installed, but also to make the weight for a small distance transverse movement.ModelCapacity (Ton)Net Weight  Per Piece(kg)QTY/PKG (pcs)Gross Wegith per PKG (kg)Lifting Height (mm)Min Height (mm)Packing Size(mm)QL3.23.2T4.07520.62 1102006 75 X270 x175QL55T5.68422.96 130250580 x300 x 190QL88T5.84426.80 140260640x335x 190QL10D10T6.44427.12 75200675x270 x175QL1010T7.76432.30 150280640x335x 190QL1616T9.74220.04 180320365 x360 x 200QL20D20T8.98218.96 90225365x360 x 200QL2020T10.94222.54 180325365x360 x 200QL2525T9.98220.70 130275365 x360 X 200QL32D32T15.36231.44 150320430X380x215QL3232T17.3235.44 200395435 x425 x230QL50D50T25.38126.44 150330495x340 X265QL5050T30131.48 250452495x340 X265QL100100T63.52166.32 200452525x375x385/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1