Diversified Plastics’ mill chain sprockets are offered in your choice of UHMW, polyurethane, or nylon. They provide impact and corrosion resistance while at the same time protecting your chain and reducing operating noise. UHMW idler sprockets require no lubrication. Polyurethane and nylon sprockets are provided with grease Zerks. Our drive sprockets include a bolt on steel hub plate and are offered in your preferred taper lock style, or in straight bore.