If a thread error occurs or a damaged threaded hole is repaired, the repair nut can be used to repair the threaded hole effectively. The repair nut is a industrial fastener, which is mainly used with screws or bolts. The thread size is standard, the thread is clear, and it will be more precise for the restoration of sliding teeth. Widely used in aviation, automobile, electronic communication, computer, mold, mechanical equipment and other manufacturing fields. The nut is made of steel 303 stainless steel, resistant to high temperature and corrosion. Specification: Item Type: Reducer Nut Material: 303 stainless steel Specification: M8 x 1.25 female thread M12 x 1.75 thread Length: approx. 20mm Location: small slot Application: Thread repair Case: For example, if the M8 thread is slippery and you want to continue using the M8 thread after restoration, use this method to first extend the M8 thread to M10 thread, and then use the M8-M10-12 thread length reducer to change it to M8, because the material of this reducer diameter is l stainless steel, it will make the M8 thread firmer Package List: 10 x Reducer Nut