We Make Bolting Better.™

Established in 1949, Solon Manufacturing Co. is an ISO 9001:2005 certified manufacturer delivering proven and reliable bolting solutions through engineering and manufacturing Belleville springs and washers used in industrial applications worldwide. 

  • Flexibility — Vertical integration allows us to develop creative solutions to unique requirements.
  • Engineering — Our suite of engineers satisfy your application requirements from concept and design, through aftermarket support.
  • Convenience — Off-the-shelf solutions available for most applications. Our modular approach to unique requirements means products are available with quick turnaround!
  • Quality In addition to our ISO 9001:2015 certification, Solon’s high standards for all engineering, inspection and manufacturing processes mean extra precision and quality assurance with every part.
  • Innovation/technology — Investments in our people, processes, and equipment demonstrate our commitment to providing the best solutions to our customers.

Oil and gas refinery along the coast
Nuclear power plant
Three yellow excavators lined up on a sunny day