140pcs Metric/American Thread Repair Tool Stainless Steel Wire Thread Insert Assortment Set

1、Can form high strength wear-resistant and high-precision internal threads by installing these steel wire thread inserts into the screw hole of the workpiece. 2、In the case of thread processing error or repairing damaged internal thread hole using wire thread insert can make economic and effective repair of thread hole. 3、After repair the threads you can continue using the same specification of screws 4、Conveniently and fast convert between metric and inch thread hole with wire thread insert. 5、Applicable for high voltage switchgear microwave communication auto parts air separation equipment radiator thread hole repair thread conversion etc.