Bolts & nuts, anchor bolts, u bolts, double nnd stud bolts, hex bolts, stud bolts, hex nuts, flat washers, spring washers, , material, alloy steels: b7, b7m, b6, l7, l7m, l43, etc., stainless steels: b8, b8m, 660a, etc., super duplex: s32750, s32760, etc, , coating system, , electroplated coatings, zinc plating as per astm b633 or astm f1941, cadmium plating as per astm b766 or astm f1941, zinc nickel plating as per astm b841 or astm f1941, , fluoropolymer coatings, whitford xylan 1014.