Item Type: Repair Nut Material: 303 stainless steel Specification: Female Thread: M2.5 x 0.45 Male Thread: M4 x 0.7 Length: Approx. 5mm / 0.2in Slotting: Slotted Purpose: Thread repair Case: 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 Nut 1This repair nut is a good repair tool when a thread error occurs or a damaged female thread hole is repaired. 2The sleeve has a slotted design, it will not slip easily when the thread is repaired or expanded, and it is more tight. 3The thread repair nut is made of stainless steel, which has good corrosion resistance and durability. 4The kit has 10 reducing nuts, which can be replaced at any time to meet a large number of needs. 5Commonly used in aviation, automobile, electronic communication, computer, mechanical equipment and other manufacturing fields.