Feature 1The thread size is standard, the thread is clear, and it will be more accurate for thread sliding tooth restoration. 2The wire thread insert can be used to switch between metric and inch threaded holes, which is convenient and quick. 3This repair socket is a costeffective repair tool when threading errors or repairing damaged female threaded holes. 4304 stainless steel has good corrosion resistance and is not easy to break when repairing thread holes. 5The wire thread insert is female thread fastener with certain elasticity, which can enhance the connection strength of the thread. Item Type: Wire Thread InsertMaterial: SUS304Model: M22 x 2.5 x 1.5DPurpose: For threaded connectionThread: M22 x 2.5Outside Diameter Before Installation: Approx. 26.2-26.8mm / 1-1.1inLength After Installation: Approx. 33mm / 1.3inNumber of Turns Before Installation: Approx. 11Drill Bit Diameter: Approx. 22.6mm / 0.89inThread Protective Socket Model Specification Description: For Example: M3 x 0.5 x 1.5D means that after the screw set is completed, the female thread is M3, the pitch is 0.5, and the length is 1.5D (length refers to 1.5 times the diameter, that is, 1.5 x 3=4.5mm) , the length here refers to the length after installation.Wire thread inserts are also called threaded sheaths, stainless steel threaded sockets, wire sockets, and braces. They are a new type of female 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 5 x Wire Thread Insert