Features Industrial Fastening Solution: This wire thread insert nut is a reliable component used with screws or bolts, providing and secure fastening for industrial applications. Effective Thread Restoration: for repairing damaged or inaccurately processed female threaded holes, this coiled wire extension consumable ensures and reliable restoration of sliding tooth threads. Standard Thread Size: Featuring clear and accurate threads, this 20Pcs Thread Repair M12 x 1.75 Wire Threaded Insert Nut guarantees and consistent thread sliding tooth restoration. -Resistant Material: Crafted from 304 stainless steel, this wire thread insert offers excellent resistance, ensuring longevity and durability for repairing threaded holes. Metric to Inch Conversion: This thread repair kit allows for convenient and quick conversion between metric and inch threaded holes, providing versatility and ease of use for various applications. Specification: Item Type: Thread Repair Material: SUS304 Model: M12 x 1.75 Thread Specification: M12 x 1.75 Outside Diameter Before Installation: Approx. 14.3-14.8mm / 0.56-0.58in Drill Bit Diameter: Approx. 12.4mm / 0.5in 1D Length After Installation: Approx. 12mm / 0.5in Number of Turns Before Installation: 5.3 1.5D Length After Installation: Approx. 18mm / 0.7in Number of Turns Before Installation: 8.4 2D Length After Installation: Approx. 24mm / 0.9in Number of Turns Before Installation: 11.6 2.5D Length After Installation: Approx. 30mm / 1.2in Number of Turns Before Installation: 14.8 3D Length After Installation: Approx. 36mm / 1.4in Number of Turns Before Installation: 18 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