Feature:1. When thread processing error occurs or female thread hole is damaged, the wire thread insert is a good maintenance tool.2. Wire thread insert can be used to convert between and imperial threaded holes, which is convenient and fast.3. The repaired thread screw is a fastener with certain elasticity, which can enhance the connection strength and fatigue strength of the thread.4. 304 stainless steel has good corrosion resistance and is not easy to break when repairing thread holes.5. Wire thread insert is mainly used in aviation, automobiles, lamps, molds, mechanical equipment and otherSpecification:Item Type: Wire Thread InsertMaterial: SUS304Model: M18 x 1.5 x 1.5DThread Specification: M18 x 1.5Length After Installation: Approx. 27mm / 1.1inNumber of Turns Before Installation: Approx. 15Outside Diameter Before Installation: Approx. 21.4-22mm / 0.8-0.9inDrill Bit Diameter: Approx. 18.4mm / 0.7inWire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D, which means that after the screw is set, the female thread is M3, the pitch is 0.5, the length is 1.5D (Length refers to the length of 1.5 times the diameter, that is, 1.5 x 3=4.5mm), the length here refers to Is the length after installation.Wire thread inserts are also called threaded sheaths, stainless steel threaded sleeves, wire sleeves, and braces. They are a new type of internal threaded fasteners made of high-strength, high-accuracy diamond-shaped cross-section steel wires; Application to low-strength engineering materials such as aluminum alloy, zinc alloy, copper, plastic, etc., can significantly improve thread strength and wear resistance. Package List:10 x Wire Thread Insert