The Phidgets #25 Chain Sprocket w/ 9mm Bore & 18 Teeth is crafted from hardened steel, designed for compatibility with a quarter inch roller chain. It features a 9mm bore equipped with a keyway, ensuring a secure fit onto a 9mm shaft. The sprocket is engineered to provide a robust connection through its 3mm keyway and is secured with two 1.5mm hex screws, making it suitable for use with #25 size chains.
