carbon graphite wear plates & plugs

St. Marys Carbon creates carbon graphite plates and plugs that are used in a variety of screening and manufacturing equipment. They are self-lubricating and provide for low friction making them ideal for your application, including those that require dry-running and sanitary environments.

Custom Solutions

If you require a custom-manufactured wear plates or plugs, we can manufacture to your specific requirements. We develop our own proprietary grades and manufacture each product in-house, so we will work closely with you to create a carbon graphite product that is right for you.


Our wear plates & graphite plugs are made from the following materials:

We also offer various impregnations and treatments to further fit your application needs.


Key End Products

Our wear plates & graphite plugs are used in a wide range of end products as listed below. Remember that we custom-design our products to fit your needs, so please contact us if you have a need outside of those below and we’ll work with you to find a solution.

  • Screeners for Agriculture, Landscaping, Recycling, Raw Material Extraction / Breakdown
  • Manufacturing Equipment (e.g., stamping dies)

Key Markets

Our wear plates and plugs are used across a wide range of different markets, including:

  • Agriculture
  • Environmental
  • Construction
  • Industrial
  • Mining
  • Power Generation 

Key Advantages of St. Marys Carbon Wear Plate & graphite Plug Products:

  • Dry-Running / Oil-less: Self-lubricating which decreases the chance of failure and allows for use in sanitary environments.
  • High Temperature Stability: Maintains high strength and runs effectively without failure at high temperatures.
  • High Thermal Conductivity: Allows for heat exchange to prevent overheating.
  • Low Friction/Wear: Chemically inert, oxidation-resistant and self-lubricating resulting in superior wear characteristics.

(814) 781-7333