Internal Grinding Websites:

  • diameters-inc.com

    - Diameters Inc.

    Diameters Inc. specializes in close tolerance centerless and cylindrical grinding. We provide customers with high quality precision grinding in a multitude of materials, with a...

  • wmsopko.com

    William Sopko and Sons Co. - Precision Wheel Grinding Adapters and Spindle...

    America's largest manufacturer of precision wheel grinding adapters and spindle accessories as well as wheelscrews, quills, pulleys and flatbelts.

  • grindall.com

    Precision Grinding | Grind All Inc.

    Grind All Inc. has the personnel, equipment, and technical expertise to successfully execute your grinding, honing, or flat lapping project