Specification Brand : Fydun BulletPoint1 : [Efficient Repair Tool] The wire thread insert is an essential industrial fastening part for fixing thread processing errors or damaged female threaded holes when used with screws or bolts. BulletPoint2 : [Quick Installation] Increase thread strength and wear effortlessly with this threaded sheath, a new internal threaded fastener featuring high-strength steel wires in a -shaped -section. BulletPoint3 : [ Material] Made of 304 stainless steel, this thread repair kit offers excellent durability, preventing breakage during threaded hole repairs. BulletPoint4 : [Accurate Thread Restoration] With standard thread size and clear threads, this x 1.75 wire threaded insert nut ensures restoration of thread sliding teeth. BulletPoint5 : [Versatile Use] Convert between metric and inch threaded holes quickly and conveniently with this threaded insert, suitable for various low-strength engineering materials like aluminum, zinc, and plastic. ItemName : 20Pcs Thread Repair x 1.75 Wire Threaded Insert Nut Coiled Wire Extension Consumables for Industrial Fastening Hardware (2.5D) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-locking-inserts Manufacturer : Fydun ModelName : Fydun7gdbngk3ie-14 ModelNumber : Fydun7gdbngk3ie-14 PartNumber : Fydun7gdbngk3ie-14 ProductDescription : Specification: Item Type: Thread Repair Material: SUS304 Model: x 1.75 Thread Specification: 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 -shaped -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.