... Material:brass,stainless steel,aluminum etc 2.Tight tolerance:+/-0.01mm 3.Fast delivery Item No.:High Precision CNC Machining ... accuracy and stability during processing. Key Specifications: 1.Material:carbon steel, alloy steel, stainless steel,Aluminum,Brass,Copper ... ,power coating, aluminum oxide,brushing.3.Process:CNC machining,turning,milling,drilling,boring,threading,grinding,lather cutting,welding ...