Universal 5/16-18 Inch Fine Series Thread Repair Inserts .625"

These inch fine series thread repair inserts are engineered to provide a high-strength, permanent solution for stripped or worn 5/16-18 internal threads. By restoring the mounting point to its original specification, these inserts offer a durable interface that resists heat and corrosion better than the surrounding metal. The .625" length provides ample thread surface area for secure fastening, making them an excellent choice for repairing cylinder heads, mounting brackets, and other high-stress mechanical assemblies.

This universal part is suitable for a wide range of automotive and powersports applications requiring a 5/16-18 thread restoration with a 5/8" depth.