Custom 5 Ton Machine Screw Jack Lift
The main components of the Custom 5 Ton Machine Screw Jack Lift adopt international standard materials: the main components are trapezoidal lifting screw (worm screw), with No.45 steel material, worm gear or travelling nut with bronze material, the worm shaft is heat treated No. 45 steel, thrust bearing, grease seal and gear housing with ductile iron.