Description of HFS Standard 60 Piece Rethread Rethreading
[PREIMUM QUALITY]: Each tap and die are constructed from hardened alloy steel for maximum strength so they can easily cut materials such as cast iron, steel, aluminum, copper, and more. [WELL ORGANIZED]: All sizes are indexed on tray to keep all components organized, with sponge cushion between the upper and lower halves to avoid bits straggling and mixing. [APPLICATION]: Cutting External and Internal Threads is a comprehensive set for cutting and renewing external and internal threads to exact standards. This set helps you work with damaged nuts, bolts and threads. When a replacement bolt is hard to find, you can use this thread tap set to remove imperfections from threads.