Hex nuts for high strength structural bolting DIN 6915 Fe-Zn M12 - 10.000 pcs. M16 - 3.000 pcs. M20 - 1.000 pcs. M24 - 500 pcs. Plain washers for steel sctructures chamfered DIN 6916 Fe-Zn M12 - 15.000 pcs. M16 - 3.000 pcs. M20 - 2.000 pcs. M24 - 500 pcs.