American Kuhne designs and manufactures single screw extruders and high performance Steward Barrier screws for all plastic, rubber, and silicone applications. We also supply turn-key systems for precision tubing and profile products. Our ESP (Extrusion Service & Parts) division offers complete repair, rebuild, and upgrade services for all brands of extruders. Our unique AKcess touch screen control system is available in three levels for all applications and budgets.