20Pcs Thread Repair M14 x 1.25 Spiral Circle Insert Reducer Nut Threaded Expand Socket Set2.5D

1、If thread processing error occurs or female threaded hole is damaged the wire thread insert is a good maintenance tool. 2、304 stainless steel has good corrosion resistance and is not easy to break when repairing threaded holes. 3、The thread size is standard the thread is clear and it will be more accurate for thread sliding tooth restoration. 4、The screw socket can be used to convert between metric and inch threaded holes which is convenient and fast. 5、Commonly used in hydraulic machinery welding equipment auto parts power machinery and furniture etc.