Hexagonal bolt DIN 933 M20 x 100 1.4871 / 1.4878 or alternative 200 pcs. Hexagonal nut DIN 934 M20 1.4871 / 1.4878 or alternative 200 pcs. Flat washer Ø 50 x Ø 22 x 5 1.4871 / 1.4878 or alternative 200 pcs.