UNF A2 Stainless Steel Hex Head Bolts 5/16″ 3/8″ 7/16″ 1/2″Coarse thread
SCREWS FULLY THREADED HEXAGON BOLTS STAINLESS STEEL, 1/4,5/16,3/8,-1/2″. Products selected 304 stainless steel, with good corrosion resistance, oxidation heat resistance, high strength, high toughness characteristics.