Ultra Pro Thread Sets

Never worry about having to replace a bolt with worn threads again when you use an UltraPro thread set. Choose either the internal or external option to make your job easier. They automatically adjust to the diameter and pitch of the thread and are applicable for all kinds of threads, from fine to coarse or for either the right or left hand. Two steel blades that have been hardened are guided by the existing thread and then repair the damaged area.Read More »Ultra Pro Thread Sets