Threading Inserts

Thread Insert Tools

Tools for thread repair inserts encompass a specialized suite of high-speed steel drill bits, STI taps, and precise installation mandrels required for insert seating. The installation tools are engineered to apply radial torsion to helical coils, reducing their diameter for seamless insertion, while tang break-off tools cleanly remove the driving interface. These tools must maintain strict dimensional tolerances to ensure the resulting reinforced thread meets ISO or unified thread standards. They are heavily utilized in OEM manufacturing lines and MRO facilities for restoring stripped threads.