Feature: 1. The thread repair tool is male thread, used to repair damaged or need to expand the female thread hole. 2. The insert nut has exquisite workmanship, clear thread and strong practicability. 3. The repair nut is easy to use, and the small slot design can easily fix and tighten the screws. 4. Made of stainless steel, high temperature and corrosion resistance, stable performance. 5. Used in the manufacturing fields of automobiles, electronic communications, machinery and equipment. Specification: Item Type: Insert Nut Material: 303 stainless steel Specification: Female Thread M6 x 1 Male Thread M12 x 1.5 Length: Approx. 14mm / 0.6in Slotting: Small Slot Application: Thread Repair Case: For example, if the M8 thread is slippery, and if you want to continue to use the M8 thread after the restoration, use this method to first expand the M8 thread to the M10 thread, and then use the M8-M10-12mm length reducer to change it back to M8 , So because the material of this reducing diameter is stainless steel, it will make the M8 thread more firm. Package List: 10 x Insert Nut