Standard: Din931, din933, din960, din961, din 609 Iso4014, 4017, 8676, 8765 Asmeb18.2.1, bs 4190 Jisb1180, as1110 Grade: 4.8, 8.8, 10.9, 12.9 Size:M6m100, 1/4"3" Surface treatment: Plain, black, zinc plated, hdg Material:Carbon steel , alloy steel, stainless steel By cartons and then on wooden pallet or according to the customer requirment.