... quality guarantee 3.Material : brass,steel,AL. 4.Different style Mechanical part Mechanical partBrass Mechanical partsBrass Parts,CNC machine Mechanical processingExcellent dimension accuracy Finishing: Zinc ... .3D Scan.12.Reverse Engineering.Item NO. mechanical part processingMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels ...