We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..

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This The group has taken part in the making and revising of ISO/TC100 international chain & sprocket standard several years in success and hosted the 16th ISO/TC100 replacement of International annual meeting in 2004. Manufacturer of standard and custom roller chain & sprockets. Suitable for aging, stress relieving, heat treating and powder coating applications. Aerospace, automotive, military, energy, composite, pharmaceutical and various other industries served. Turnkey systems integration and most items available in stock.40A51 sprocket is a durable, high quality, and precision A-Plate sprocket that is manufactured out of high-quality steel. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain & sprocket and sprocket thus preventing premature wear or breakage. This sprocket is also evenly coated with black oxide, which adds resistance to to the environment and will prevent early rust build up. 40A51 sprockets with a stock bore comes with a 23/32″ inside diameter plain hole and can be easily machine bored to custom sizes. If you are in need of a custom bore sprocket we the capabilities on providing those to within a fast lead-time and at really great prices. For more information or to get a custom quote please contact us and we will be happy to assist you.