1,metal good surface polishing nuts 2,Material:stainless steel& carbon steel 3,Machined to ... Drawing or Samples 4,ISO, MTC metal good surface polishing nuts Production range:We are a professional manufacturer of die casting ... Surface finish: polishing, oiled (rust-prevented), zinc-plated, nickel-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coating.Inspection:Inspection: in ...