1. Flat countersunk head nib bolts DIN 604 M20x80mm (60°) Steel 8.8 Quantity: 230 pcs. 2. Hexagon nuts ~0,8 d, product grade C DIN 555 M20 Steel 8 Quantity: 230 pcs. 3. Split lock washers DIN 127 For M20 screws (8.8) Quantity: 230 pcs.