Features Efficient Thread Repair: Quickly and effectively repair damaged or incorrectly threaded holes with the 20Pcs Thread Repair M14 x 1.25 Spiral Circle Insert Reducer Nut Set1D, ensuring smooth and thread restoration. 304 Stainless Steel: Constructed from high-quality 304 stainless steel, providing exceptional resistance and robustness for long-lasting thread repair solutions. Versatile Thread Conversion: The included screw socket allows for seamless conversion between metric and inch threaded holes, offering convenience and flexibility for various repair needs. Accurate Thread Restoration: Standard thread size and clear threading ensure accurate and reliable restoration of threaded holes, promoting secure and repairs. Wide Application: Ideal for use in hydraulic machinery, welding equipment, auto parts, power machinery, and furniture, offering versatile solutions for a range of applications. Specification: Item Type: Thread Repair Material: SUS304 Model: M14 x 1.25 Thread Specification: M14 x 1.25 Outside Diameter Before Installation: Approx. 16.7-17.2mm / 0.66-0.68in Drill Bit Diameter: Approx. 14.m / 0.6in 1D Length After Installation: Approx. 14mm / 0.6in 1.5D Length After Installation: Approx. 21mm / 0.8in 2D Length After Installation: Approx. 28mm / 1.1in 2.5D Length After Installation: Approx. 35mm / 1.4in 3D Length After Installation: Approx. 42mm / 1.7in Wire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D, which 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 is 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 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: 20 x Thread Repair Package List 20 x Thread Repair