W.M. Berg manufactures ultra-precision case hardened and ground shafts. W.M. Berg manufactures the case hardened and ground shafts from high quality C1060 steel or 440 stainless steel. All ultra precision ground shafts are available in a multitude of different diameters and can be custom sized to fit your specifications. W.M. Berg will custom engineer ultra precision case hardened and ground shafts to fit your individual needs. W.M. Berg also manufactures plastic rod shafts from nylon 101 or Delrin 500. Plastic rod shafts are available in many diameters and can be customized to fit your application. W.M. Berg is dedicated to quality and customer satisfaction and will have our design engineers work with you to ensure a precision parts solution for your manufacturing parts needs.