• 250. pcs.: M6 Self-locking hex flange nuts with non metallic insert DIN 6926; class 8.8, or 10.9; • 250. pcs.: M8 Self-locking hex flange nuts with non metallic insert DIN 6926; class 8.8, or 10.9; • 250. pcs.: M6x35mm screws with hexalobular head with large flange DIN 34801 class 8.8, or 10.9; • 250. pcs.: M6x16mm screws with hexalobular head with large flange DIN 34801 class 8.8, or 10.9; • 250. pcs.: M8x35mm screws with hexalobular head with large flange DIN 34801 class 8.8, or 10.9; Please offer the surface treatment as showed in the enclosed file, otherwise please offer normal zinc plated material.