Material: Copper , brass, steel, aluminum, stainless steel, spring steelProcessing method: progressive die stampingSurface treatment: nickel plating, copper platingBending position tolerance: +/-0.05mmUsage: spring contacts, terminals, spring clips , retainersProduction Process：Laser cutting sheet CNC spring processingMaterial：φ8mm 304Stainless steel wireProcessing steps：1、use CNC cutting to obtain shape,size and performance 2.CNC spring processing and molding 3.Welding and forming of two parts (argon arc welding) 4、surface passivationThe product is used for metal hooks in gardens; It can accept customized processing services of various sizes and shapes;All raw materials are made of 304 stainless steel;After welding and molding,the surface is passivated, which not only has a beautiful appearance,but also has a good anti-corrosion effect for long-term outdoor use.