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The wire thread insert is made of high-quality 304 stainless steel, which is resistant to high temperature The wire thread insert is made of steel wire, the exterior is glossy and there is no protrusion, and the thread expansion is more labor‑saving. In the event of thread processing errors or repairing damaged female threaded holes, thread sleeves are a good repair tool. The repaired thread screw is a fastener with certain elasticity, which can enhance the connection strength and fatigue strength of the thread. The repair nut is mainly used in aviation, automobiles, lamps, molds, mechanical equipment and other manufacturing fields.