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The Diamond Chain Company

For over 120 years, the Diamond Chain Company has been the recognized leader for the design and manufacturing of high performance roller chain. Founded in Indianapolis, Indiana, Diamond Chain's extensive portfolio of products includes solutions for oil field and coiled tube injector operations, agriculture, food and beverage manufacturing, construction machinery, mining, and motor sports. Diamond's application engineering team is ready to assist with your power transmission needs. Contact us at to get started today.

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Chris Wilson
Indianapolis, Indiana


  • Diamond Series roller chain
  • Infinity Series roller chain
  • Sapphire Series roller chain
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