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……..

Contact us: Wechat/whatsapp/mobile: +86-13083988828

This Hangzhou EPG Co.,Ltd. , was founded in November, 1997. With its 5 wholly owned subsidiaries.Roller Chain & Sprocket ANSI Standard • British Standard • Heavy-Duty • Extreme-Duty • Super Heavy Series • Cottered or Riveted • Multiple Strand • Stainless Steel • Nickel Plated • Dacroclad™ • Extended Pitch (Including Large Roller) • 81X, 81XH, 81XHH • Hollow Pin • Agricultural (CA550, CA620, etc.) • Citrus Chain & SprocketA-plate 085A57 sprocket with a stock bore is a metric roller chain & sprocket sprocket manufactured under ISO and British Standard 228. Our 085A57 sprockets are made with reliability and performance in mind, so we use high-quality carbon steel (CS) and have the sprocket precision cut to ensure maximum performance and wear life. Besides the stock bore, we also can supply these sprockets with a specific bore size. We also offer upgrades on our 085A57 sprockets such as black-oxide coatings and heat-treated hardened teeth, though hardened tooth sprockets are typically not utilized on tooth counts past 30. Besides the 57 tooth sprocket, we also stock a high-quality 085 roller chain & sprocket