High-strength structural bolting assemblies for preloading: Countersunk head bolt and nut assemblies EN 14399-7 Steel 10.9 blank M20x60: 1000 pcs. Hexagon bolt and nut assemblies EN 14399-3 Steel 10.9 blank M24x80: 1000 pcs. M20x60: 1000 pcs. The definitive order of about 7000 kg fasteners with these characteristics will follow