Features & Benefits
- 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 Coarse UNC 5/16-18
- Includes tap, installation tool and set of inserts
- 1.5D, 0.4688" OAL inserts
- Tapping drill required: 8.3mm or 21/64"