Hexagon head bolts DIN 931 M20 x 80 Zinc plated steel 100 pcs. Hexagon nuts DIN 934 M20 Zinc plated steel 150 pcs. Hexagon head bolts DIN 931 M20 x 90 Zinc plated steel, passivated 50 pcs. Hexagon head bolts DIN 931 M20 x 100 Stainless steel A2 100 pcs. Hexagon nuts DIN 934 M20 Stainless steel A2 100 pcs. FOR ALL ITEMS: + Certificate: EN 10 204 3.1, + AD2000W2