Please offer nuts and bolts separately. Bolts, nuts and washers do not have to be supplied already mounted. M12X35 5.6 DIN 7990 / 555 / 7989 8000 M12X40 5.6 DIN 7990 / 555 / 7989 2000 M12X45 5.6 DIN 7990 / 555 / 7989 1000 M16X45 5.6 DIN 7990 / 555 / 7989 1500 M20X55 5.6 DIN 7990 / 555 / 7989 1000 M20X60 5.6 DIN 7990 / 555 / 7989 1000 M16X50 8.8 DIN 7990 / 555 / 7989 1500 M16X55 8.8 DIN 7990 / 555 / 7989 2000 M20X65 8.8 DIN 7990 / 555 / 7989 1000 M20X70 8.8 DIN 7990 / 555 / 7989 1000 M24X80 8.8 DIN 7990 / 555 / 7989 2000 Quality standards: Galvanized: UNE EN ISO 1461:2010 Quality: 8.8 according to DIN 267 Technical data sheet of the products are required for marking CE DIN 7990:1989 DIN 555:1983 DIN 7989:2001 Certificate 3.1 will be required if this becomes an order. We also require, together with the offer, the technical data sheet of the items and different norms/standards you will supply.