Rod ends with male body threads. Standard catalog series include products with low carbon, high strength heat treated alloy steel, stainless steel, and Aluminum bodies. Race materials include low carbon, or heat treated alloy or stainless steels. Ball materials include sintered steel, alloy or stainless steel. All balls are precision ground and heat treated. Threads are rolled to appropriate classifications. Many series are available with PTFE lined raceways, for smooth backlash-free fit.