DIN 933 Hexagon head screws A4-80 8x40 40.000 pieces A2 8x90 4.000 pieces A4-80 8x25 10.000 pieces A4-80 8x20 2.000 pieces A4-80 10x30 1.000 pieces DIN 985 Self-locking hexagon thin nuts with non-metallic insert A4 M8 50.000 pieces DIN 125 Flar washers A2 M8 80.000 pieces Please provide certificate 2.2