CNC Machining Brass Part 1.Material:brass,steel,stainless steel etc 2.Tight tolerance:+/- ... 0.01mm-0.05mm 3.Fast delivery Item No.:CNC ... coating, aluminum oxide,brushing.3.Process:CNC machining,turning,milling,drilling,boring,threading,grinding,lather cutting,welding.4.Application:auto,motorcycle,bicycle ...