... , alloy... Finish: heat treated, oxided, plated, blastedServiceMachining workMaterialsteel, stainless steel, Invar, carbon steel, free cutting steel, aluminum, brass, copper, alloy, REMKO BFinishPlating, Oxiding, Blasting ... - 6AL-4VSpecial material - INVAR, REMKO B, NORYL, POM, ACETAL stainless steel,aluminium,copper CNC machining parts