Overview Reviews Product Description Hex nuts are used with a screw or bolt to fasten two or more parts. Silicon bronze fasteners have high strength and high corrosion resistence against salt water, acids, salts and organic chemicals. Excellent for marine environment. Papco Nuts Catalog Product Videos Custom Field Box quantity 50 Diameter 1/2"-13 Product Reviews Write a Review Write a Review × Paulin 1/2"-13 UNC Silicon Bronze Hex Nut 50 Pc. 5426-022 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *