Item Type: Wire Thread Insert Material: SUS304 Model: M1.6 x 0.35 Thread M1.6 x 0.35 Outside Diameter Before Installation: Approx. 2.1-2.3mm / 0.1-0.1in Drilling Drill Bit Diameter: Approx. 1.6mm / 0.1in Length After Installation: Approx. 1D: 1.6mm / 0.1in 1.5D: 2.4mm / 0.1in 2D: 3.2mm / 0.1in 2.5D: 4.0mm / 0.2in 3D: 4.8mm / 0.2in 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 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. Package List: 50 x Wire Thread Insert