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Helicoil® Thread insert

Thread insert
5/16 BSF. refill pack with 10 Thread inserts for our item No.: 210047
The coil thread repair sytem is the professional solution for torn and damaged threads that can`t be re-cut. Even Spark plug threads can be fixed. The coil thread repair kits contain from 5 to 10 inserts, HSS tap, and a special drill, if required.