... Max dynamic load 26 tons Self-lock trapezoidal screws Worm gear jack Detailed information:1.Model:RN-0.5T ... satellite dish antenna movements,Slitting line,Roll forming machines,Tunnel freezer systems,Oven lifters,Vacuum furnace lid lifters,Conveyor ... Screw: steel C45 (optional: stainless steel)* Worm Gear: phosphor bronze (optional: zinc alloy)* Worm Shaft: heated treated steel C45 (optional: stainless ...