Features High-strength Thread Repair: Assemble wire thread inserts to create and wear-resistant female threads in materials like aluminum alloys, ensuring reliable and long-lasting thread repair solutions. Economical Repair Method: Wire thread inserts provide an afable and effective method to repair threaded holes, saving costs and extending the lifespan of the workpiece. Versatile Metric Conversion: Conveniently convert between metric and inch threaded holes using wire thread inserts, offering flexibility and ease of adaptation for various applications. Abundant Quantity: This set of 50 wire thread inserts ensures a large supply for extensive use and replacement needs, providing practical and long-term usability. Quality Assurance: Rigorous quality control measures ensure high safety and reliability, allowing for peace of mind when using the wire thread inserts for various applications. Specification: Item Type: Thread Repair Inserts Material: SUS304 Model: M8 x 1.25 Thread Specification: M8 x 1.25mm Outside Diameter Before Installation: Approx. 9.8 ~ 10.1mm / 0.39 ~ 0.4in Drilling Drill Bit Diameter for Installation: Approx. 8.m / 0.3in 1D 1.5D 2.5D Length After Installation: Approx. 8mm / 0.3in 12mm / 0.5in 20mm / 0.8in 1D 1.5D 2.5D Number of Turns Before Installation: 4.8 7.7 13.5 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. Wire thread inserts are also called threaded sheaths, stainless steel threaded sleeves, and wire sleeves. They are a new type of female threaded fasteners made of high-strength, high-accuracy diamond-shaped cross-section steel wire; in aluminum alloy, zinc alloy , copper, plastic, synthetic cardboard and other low-strength engineering materials can significantly improve thread strength and wear resistance. Package List: 50 x Thread Repair Inserts Package List 50 x Thread Repair Inserts