Helical Screw Thread Inserts, commonly called by their trade-name Heli-Coil®, are inserts made from diamond shaped coiled wire. The insert is screwed into an internally threaded hole, and the internal surface of the insert provides a threaded surface that is stronger that the parent material. These inserts are usually used when the threads of an internally threaded hole are damaged.
Helicoil Insert Diameters
Helicoil Insert are available on the FCH Network with Imperial/US diameters that range from #0 to 6 and with Metric diameters that range from M1 to M48.
Helicoil Insert Lengths
Helicoil Insert are available on the FCH Network with lengths that range from 3/16 to 10.
Helicoil Insert are available on the FCH Network in materials that range from Steel to Nylon