Thread Repair Tools

Heli-Coil R1191-7 7/16-20 wire refill inserts

Heli-Coil R1191-7 7/16-20 wire refill inserts
Detail of one coil. The selected listing is a six-count pack.

Check compatibility

Heli-Coil R1191-7 is the fine 7/16-20 refill. The listed installed length is 0.656 inch. Match the repair system before comparing with the coarse 7/16-14 version.

Manufacturer reference

Questions before ordering

Does the fine refill match a 7/16-14 thread?

R1191-7 is for 20 TPI. Check the repaired thread and tool series before reusing an installation setup for the coarse pitch.