Threaded rods are often referred to as all thread rod or all threaded rod are fully threaded along the entire length of the solid steel rod without a head on either side that are available in different lengths and made from different alloys. Threaded all thread rods are in several diameters and are available in three 3 foot lengths and 10 foot lengths in low carbon zinc plated ZP steel, stainless steel, galvanized, and B7 hardened steel.