Hexagon head screws UNI 5739 DIN 558 4.8/8.8 M5x6 steel, zinc plated 50000 pcs. Hexagon flanged nuts DIN 6923 CL.8 M24 ZINC. 50 pcs. Hexagon flanged nuts DIN 6923 CL.8 M22 ZINC. 50 pcs.