1. Standard: DIN933
2. Grade: 4.8, 5.6, 6.8, 8.8
3. Finish: Plain, black, zinc plated, hot-galvanized, H. D. G
4. Material: Q195, Q235, 1035
5. Size: M6*20-M30*300 cold forming; Exceed hot-forging
6. Packing: Packing: Bulk in carton with pallet, bulk in bags with pallet Or according to customers' requirements