5.080 Pcs. Hexagon head bolts Din 931 1/2-13h x 3"1/8 in A193 Gr. 8M 1.948 Pcs. Hexagon head bolts Din 931 1/2-13h x 2"1/8 in A193 Gr. 8M 408 Pcs. Hexagon head bolts Din 931 1/2-13h x 1"5/8 in A193 Gr. 8M 1.200 Pcs. Hexagon head bolts Din 931 9/16unc x 3"1/8 in A193 Gr. 8M 862 Pcs. Hexagon head bolts Din 931 9/16 unc x 1"3/4 in A193 Gr. 8M 592 Pcs. Hexagon head bolts Din 931 5/8unc x 2"1/8 in A193 Gr. 8M Please with certificate 3.1.B