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 Additionally, all our production procedures are in compliance with ISO9002 standards for a specialized supplier of a full range of chain & sprockets, sprockets, gears, gear racks, V-belts, couplings and reducers， pto shaft, agricultural gearboxes….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.40BS72 sprocket features a 3/4″ finished bore including a key-way and 2 setscrews. It is a durable, high quality, and precision sprocket that 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 black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore sprockets, custom bore and made to order sprockets, and a full line of #40 roller chain & sprocket. Fore more information, large quantities, or to get a custom sprocket please contact us and we will be happy to assist you.