Specification Brand : Tissting BulletPoint1 : 【Product material】The multi-application sprocket is made of high-strength stainless steel material, and the surface is treated with black galvanized, which has good wear resistance and rust resistance, can withstand the wear and tear of daily use, has a long service life, and avoids frequent wear and tear replace BulletPoint2 : 【Firm support】This sprocket can be used in conjunction with hexagonal shafts, U-beams, flanged ball bearings, etc., to provide you with excellent motion support, and can be flexibly used in various bicycle bearings, mechanical equipment, robots and other fields BulletPoint3 : 【Stable performance】Reliable sprocket with 8mm hexagonal center hole, with strong forward driving force to deal with large torque, no need to worry about the hole and shaft becoming round, can be perfectly matched with 6mm D-shaped shaft and motor shaft, with Strong practicality BulletPoint4 : 【Easy to install】The installation method of the stable sprocket is very simple, only 2 fixing screws can be used to fix the steel sprocket on the shaft, no complicated steps are required, which effectively saves your time and improves your work efficiency BulletPoint5 : 【High-Quality After-Sales Service】 Your satisfaction is our greatest pursuit, we are committed to providing customers with a pleasant shopping experience and satisfactory after-sales service. If you have any questions, please feel free to contact us. We will give you a satisfactory answer within 24 hours ExternallyAssignedProductIdentifier : 9009955302369 ExternallyAssignedProductIdentifier1 : 0645924589332 ExternallyAssignedProductIdentifier2 : 645924589332 ItemName : Tissting 3Pcs 5307‑4008‑0010 Steel Sprocket, 8mm Pitch Hex Hole 10 Teeth Drive Gears for Bicycles Mechanical Equipment Hardware Accessories ItemPackageDimensions_Height : 14.9 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 8.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : Tissting Material : Medium Carbon Steel Material1 : black_oxide Material2 : carbon steel c45 ModelNumber : Tissting1vd3ip8fkg NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 15 PartNumber : Tissting1vd3ip8fkg ProductDescription : Specification: Item Type: Steel Sprocket Material: Stainless Steel Surface Treatment: Black galvanized. Number of Teeth: 10 Pitch: Approx. 8mm / 0.31in Hole Type: Hex hole. Hole Diameter: Approx. 8mm / 0.31in