130 pcs. High strength bolting assemblies for preloading composed of: 1 Hex head bolt HV M12x75 class 10.9 UNI EN 14399-4 2 washers M12 for high strength bolts UNI EN 14399-5 1 Heavy hex nut M12 high strength UNI EN 14399-4 Assembly certified by the manufacturer in compliance with norm UNI EN 14399 K class K1 or K2 Hot dip galvanized