Road crash barrier bolts Steel 5.8 HDG 40.000 M16x30 20.000 m16x40 Hexagon head screws DIN 933 Steel 5.8 HDG 30.000: M16x45 Hexagon nuts DIN 934 Steel 8 HDG 90.000 M16 Flat washers form A HDG 90.000 34x17x4mm Please send certificates and include transport