History of Diamond Chain Company

Diamond Chain Company has a long history and heritage of producing the highest quality roller chain in the world. By providing the best roller chain possible, Diamond Chain Company provides its customers with unparalleled expertise in drive systems and design, industry-leading wear and fatigue performance, and superior return-on-investment by reducing its customers' total cost-of-ownership through reliability, long service life, and consistent performance of Diamond® products.

Founded in 1890 in Indianapolis, Indiana, Diamond Chain Company's founders took the diamond as their trademark because it symbolized strength, perfection and served as a constant reminder of the company's commitment to producing the best quality products possible. Throughout its history, Diamond Chain Company's products have been integral part of many notable events: Wright Brothers' first flying machine, Henry Ford's first automobile, and numerous motorsport champions.

Wright BrothersToday, Diamond Chain Company is the leading supplier of high performance roller chains for global power transmission markets serving a diverse range of industries such as oil & gas, industrial automation, agriculture equipment, aerospace & defense, and construction equipment. Diamond chains are exclusively relied upon in mission critical drive systems, and the Diamond brand is synonymous with high performance, high quality, and the highest return-on-investment.

In today's global environment, Diamond Chain Company, while focusing on the increased use of innovative technology, still operates under the same solution-oriented, customer-focused philosophy it was founded on. Diamond Chain Company provides customers with end-to-end services such as application engineering support, customized drive system designs, made-to-order specialty chains, and in-field technical support and analysis. Our goal is to provide our customers not only the highest quality products, but also world-class delivery, service, and support that exceed our customers' expectations.

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ASME / ANSI Roller Chain

Diamond Series

Diamond Chain's extensive ASME / ANSI product assortment provides industry leading wear life and is available in a variety of base materials, finishes, and lubrications.

Attachement Roller Chain

Infinity Series

Available in ANSI 25 through 240 and ISO 05B through 032B. Includes single and multi-strand, heavy series, and solutions for specialized applications.

Oil and Gas Chain

Sapphire Series

Includes ANSI 25 through 160 and ISO 05B through 048B single and multi-strand, and select maintenance-free, and attachment solutions.