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 In 2008, it was awarded with “National Export Commodity Inspection-free Enterprise”. Standard roller chain & sprocket is available with pitches from 1/2 to 3 inches. Chain & Sprocket numbers are determined by multiplying the pitch by 80 (a 1/2 inch pitch chain & sprocket would be a No. 40 chain & sprocket). A hyphenated suffix indicates multiple strands.80BTB21 sprocket is a durable, high quality, and precision sprocket with 21 hardened teeth that is manufactured to accept a

2517 bushing