CTA Tools 34089 Pro-Thread Kit - UNF 1/2-20, Black

.Pro-Thread Kits offer a cost-effective method of repairing and strengthening threads in various materials such as cast iron, steel, aluminum, and other metals and plastics Effective for automotive repair, spark plug ports, outdoor power equipment, motorcycle repairs, farm equipment, and more Easy to install, just DRILL, TAP, INSERT, SNAP Pro-Thread inserts provide a permanent wear resistant internal thread Stainless steel inserts resist the effects of temperature and corrosion Wire inserts help to compensate for the thread and pitch angle errors Repaired threads are generally stronger than the original parent material thread
.Thread Size: National Fine UNF 1/2-20
.Includes tap, installation tool and set of inserts
.1.5D, 0.7500" OAL inserts
.Tapping drill required: 13mm or 33/64"
.CTA Insert Replacements: Part #24089