Features Enhanced Thread Strength: Made of high-strength, high-accuracy diamond-shaped cross-section steel wire, providing superior thread strength and wear resistance on low-strength engineering materials. Versatile Repair Tool: Economically and effectively repair damaged female threaded holes with wire thread inserts, offering a reliable repairing method for thread processing errors. Compatibility and Flexibility: Conveniently convert between metric and inch threaded holes using wire thread inserts, ensuring quick and easy adaptability for various applications. Construction: Constructed with stainless steel, the wire thread inserts offer long-lasting durability and resistance, ensuring reliable performance in diverse environments. Improved Thread Performance: Enhance thread integrity and reliability with the new type of female threaded fasteners, providing a dependable solution for various fastening applications. Specification: Item Type: Thread Inserts Material: SUS304 Model: M20x2.5x2.5D Thread Specification: M20x2.5 (mm) Length After Installation: Approx. 50mm / 2in Number of Turns Before Installation: 17.5 Outside Diameter Before Installation: Approx. 23.6 ~ 24.2mm / 0.9 ~ 1in Diameter of Drilling Drill Bit for Installation: Approx. 20.6mm / 0.8in Thread Protective Sleeve Model Specification Description: For Example: M3x0.5X1.5D, which means that after the screw set is completed, the internal thread is M3, the pitch is 0.5, and the length is 1.5D (length refers to 1.5 times the diameter, that is, 1.5x3=4.5mm ), the length here refers to the length after installation. Package List: 5 x Thread Inserts Package List 5 x Thread Inserts