Duff Norton stainless steel machine screw actuators are available for industrial applications up to 100 Tons.  Duff-Norton machine screw actuators are designed for precision positioning and uniform lifting speeds through positive mechanical actions.  Stainless steel machine screw actuators can be used in severe environments where corrosion resistance is required. All exposed surfaces are made of 316 stainless steel including the lifting screw, housing, shell cap, worm and dust guard. Options include anti-backlash and keyed lifting screws for translating screw models.  Many different options available for unique applications.  Request A Quote!