Overview Reviews Product Description 18.8 stainless steel fasteners have excellent corrosion resistant qualities and are an excellent choice for general and outdoor use. 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 18.8 Stainless Steel Acorn Nut 50 Pc. 5037-022 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *