Stainless steel hex flange nut integrates one-piece flange face at the bottom, no separate flat washer required. Two types available: plain flange and serrated anti-slip flange.

Material: A2(304) / A4(316) stainless steel, bright natural finish without plating, excellent rust & corrosion resistance. Directly matched with bolts to simplify assembly. Widely used for solar brackets, outdoor steel structures, curtain walls, vehicles and equipment in humid & corrosive environments.