... , bronzeComposeHydraulic body, Hydraulic piston, Hydraulic RodHydraulic clinder typesPiston,plunger,piston, telescopic,SwingoutInside Surface roughnessRa 0.4---0.8&micoApplicationMechanical partsUseEngineering vehicalsWeight50kg ... equipments, construction equipments and space applications. The application of hydraulic cylinder can be seen in simple car jacks to complicated robotics ...