Feature:1. If a thread error occurs or a damaged female threaded hole is repaired, a threaded insert can be used to repair the threaded hole in a cost-effective manner.2. The specification of the maintenance nut is standard, with M12 female thread and M16 male thread, and the repair ability is good.3. The nut kit is made of stainless steel, heat-resistant and corrosion-resistant, and has a long service life.4. The repair nut is easy to use, and the slotted design helps to easily fix and tighten the screw.5. Suitable for aviation, automobile, electronic communication, computer, lighting, equipment and other manufacturing fields.Specification:Item Type: Repair NutMaterial: 303 stainless steelSpecification: Female Thread M12 x 1.75Male Thread M16 x 2Length: Approx. 30mm / 1.2inSlotting: Small slotPurpose: Thread repairCase: For example, if the M8 thread is slippery, 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-M10-12 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 Repair NutNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.