Screw jack is a very common kind of Jack. It works through screw or nut sleeve as jacking part. It can support heavy objects for a long time. The lifting capacity of hand Jack has reached 100 tons and is widely used.

Screw jack belongs to mechanical jack, which is mainly composed of base, nut, screw, handle, etc. Although the transmission efficiency is low and the return journey is slow, it has the advantages of simple maintenance, safe use and large lifting capacity. It is very suitable for the jacking operation of large tonnage weights. Foreign friends are welcome to purchase.