... steel,copper ,brass,aluminum,etc5.ROHS compliance6.Porcessing: Stamping, punching, bending, welding, threading, grinding ,milling, machining, lathe ... From 5 T to 250T.8.Processing:Stamping,punching,bending,Anodizing,Powder-Coating,Zinc-Plated ,Hex Chromates ... etc9.Tolerance:+-0.015mm10.Application :these parts are mainly used in Automotive, Electrical, Building, Furniture, Machineassembly, Air ...