Product Name: Industrial Transmission Standard Stock Zinc Chain Sprocket with Square Hole Model NO.: Sprocket Type: Spur Gear Material: C45(Customized) Toothed Portion Shape: Customized Manufacturing Method: Hobbing & Carburizing & Grinding Gear Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery Standard Or Nonstandard: Nonstandard Surface Treatment: Black Painted General Requirement: Be Free From Burrs & Voids General Requirements: Sharp Edges Removed & Rust Protection Transport Package: Export Package/Plywood Case Specification: ISO606; ANSI B29.1; DIN8187; GB124-97 Origin: Changzhou, Jiangsu, China Product Description Specification1. Product name: Blue Zinc Sprocket with square hole.2. Material: Customized.3. Standard: ISO606; ANSI B29.1; DIN8187; And GB124-97; We have established Quality system Management in accordance with ISO9001-2000.4. Origin: Changzhou, Jiansu, China.5. Surface Treatment: Teeth Harden, carburizing, chemical black finish, paint spraying.6. Customer's drawings of spur gears are welcome7. We can supply products according to customer's drawing, including gears, sprockets, shafts, taper bush, castings, forgings, and other transmission parts production.ApplicationThese industrial Equipment & Components are applied in large scale machinery and equipment, such as power driving, conveyor, lifting, mine, agricultural, food industry etc.