The Sourcing Map 20 Tooth Roller Sprocket B Type offers precision and durability for your applications requiring high speed and resistance to wear. Featuring a Black Oxide C45 carbon steel construction, it guarantees resistance to corrosion and great durability in various conditions. The keyway with set screws provides a clean and secure fit, making installation simple and efficient. The single strand pitch ensures a smooth and consistent engagement with the chain, enhancing the overall performance and efficiency of your system. The 1/4" pitch and 18mm bore size cater to a wide range of applications, making it an ideal choice for various industries and environments. With its robust construction and versatile design, the Sourcing Map 20 Tooth Roller Sprocket B Type stands out as a reliable and cost-effective solution for your demanding needs.