Perma-Coil

Perma-Coil helically coiled inserts are made of stainless steel wire that has been rolled to a carefully controlled thread form. When installed Perma-Coil inserts adjust to tapped hole, becoming a functional thread with a strength exceeding the original.

Perma-Coil inserts and repair kits are designed to repair stripped threads in a variety of metals. Aluminum, aluminum alloys, steel, and cast iron. If the original threads can be stripped, Perma-Coil inserts can repair them. By following the detailed instructions enclosed in every Perma-Coil kit, even an inexperienced do-it-yourselfer can repair stripped threads, permanently.

Perma-Coil Inch Series
Perma-Coil Metric Series
Perma-Coil Spark Plug
Perma-Coil Pipe Thread
Perma-Coil Special Apps.
Perma-Coil HSS STI Taps
Perma-Coil Production Tools
Perma-Coil Bulk Inserts