Material:Brass Custom Design Content RoHs The precision has been control less ... steel (12L14,12L15,1214,1215,etc);Aluminum(6061,6063,7075);Brass;Bronze,Kovar;etc.StandardNonstandard JIS,DIN,ASTM,BS,SAE,etcNet ... optic communication,equiment,etcMachining facilitiesCNC lathe,CNC machining center,Thread rolling machine,drilling,Centreless grinding machine, Manual lathe,Surface grinding machine ...