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  • Heli-Coil® Master Thread Repair Kits


    When installed into Heli-Coil® STI tapped holes, inserts provide permanent conventional 60° internal screw threads that accommodate any standard bolt or screw. Heli-Coil threaded inserts boast a high wearing tensile strength, low thread friction with tight tolerances, and a high surface quality as well as corrosive- and heat-resistant properties. With Heli-Coil threads, tapped holes are strengthened and thread life is dramatically increased even after repeated assembly and disassembly. Tapped holes are easily incorporated into existing designs.

    Master Thread Repair Kits
    Heli-Coil inserts are available in master thread repair kits in inch and metric sizes.
    All kits contain a drill, tap, tool, and inserts for each size listed below.

    4V0069 4934 4V0070 4936 4V0071 4937-125 4V0072 4937-150