Metric Inserts & Kits Thread Kits 1221-304

Thread Kits

1221-304

M4 X .70 Perma-Coil Thread Repair Kit

EAN: 0790694123047

UPC: 790694123047

Metric Inserts & Kits


100% Made in U.S.A.! Second to NO ONE!
Stainless steel inserts are 50% stronger than original thread!
Kit contains: Tap, Inserting tool, Prewinder and 12 Inserts!

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 a 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.

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