10pcs Thread Insert Kit Reducing Nut 303 Stainless Steel Female M4x0.7 Male M8x1.25 0.3in Length

Repair threaded holes cost?effectively features M4x0.7 internal thread and M8x1.25 external thread. Made of high?quality 303 stainless steel high hardness corrosion?resistant and durable. Suitable for aviation automobiles electronic communications lamps machinery and radiators etc. Ergonomic design time?saving and labor?saving reduces the difficulty of work. Strictly follow the manufacturing standard to make sure excellent performance.