High strength bolting assemblies Hexagon head screws + nut + 2 washers UNI EN 14399-4 HV class 10.9/10 : - M12×120, nr. 128 pcs. - M14×40, nr. 327 pcs. - M14×55, nr. 33 pcs. - M18×50, nr. 1030 pcs. - M18×75, nr. 2055 pcs.