20Pcs Wire Thread Insert Stainless Steel Screw Bushing Repair Socket Kit M14x1.5x1.5D Item Type: Wire Thread Insert Material: SUS304 Model: M14 x 1.5 x 1.5D Thread Specification: M14 x 1.5 Length After Installation: Approx. 21mm / 0.8in Number of Turns Before Installation: Approx. 11.5 Outside Diameter Before Installation: Approx. 16.7-17.2mm / 0.66-0.68in Drill Bit Diameter: Approx. 14.4mm / 0.6in Wire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D, which means that after the screw is set, the female thread is M3, the pitch is 0.5, the length is 1.5D (Length refers to the length of 1.5 times the diameter, that is, 1.5 x 3=4.5mm), the length here refers to Is 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 female thread fasteners made of high-strength, high-accuracy diamond-shaped cross-section steel wire; in aluminum alloy, zinc The application of low-strength engineering materials such as alloys, copper, plastics can significantly improve thread strength and wear resistance.