Stainless steel nut is made of SUS304(A2) and SUS316(A4) stainless steel. It has excellent rust and corrosion resistance, stable thread precision and mechanical property. Available in many types including hex nut, thin nut, lock nut, cap nut. Passivated surface finish. Widely matched with bolts and screws for aluminum profiles, solar brackets, machinery, outdoor and marine equipment fastening.