72 Pcs. Hexagon head bolts, partially threaded + Nut M14x40 450 Pcs. Hexagon head bolts, fully threaded + Nut M12x40 160 Pcs. Hexagon head bolts, fully threaded + Nut M10x40 Class 8.8, norms: UNI EN ISO 4016:2002 UNI EN 5592:1968 UNI EN ISO 898-1:2001 It is necessary to send a copy of EN 1090-1 certification