20Pcs Wire Thread Insert Coiled Sleeve Bushing Nut Threaded Expansion Tool Kit M14x1.5x2D

1、Fit the socket set in the screw hole of the metal material workpiece to form a high?accuracy standard female thread. 2、Wire thread insert can be used to convert between metric and imperial threaded holes which is convenient and fast. 3、When thread processing error occurs or female thread hole is damaged the wire thread insert is a good maintenance tool. 4、304 stainless steel has good corrosion resistance and is not easy to break when repairing thread holes. 5、The repair nut is mainly used in aviation automobiles lamps molds mechanical equipment and other manufacturing fields.