... , stamping parts, assembly service. 2. Various Machining Materials:Stainless steel, alloy steel, brass, bronze, copper, aluminum, plastic, or customer specified. 3 ... , turning lathe etc) Various materials(stainless steel, aluminum, brass, steel alloy, plastic etc) Finish: Zinc plated, Chromated plated, Powder coating, Anti ... to contact us. Thank you!show sample: cnc machining brass nut