1. Standard: DIN; GB,ISO
2. Grade: 8;10;12;A2-70;A4-80
3. Size: M8-52
4. Material: Stainless Steel or carbon steel ,alloy steel
5. Finish: Polishing,zinc plated,black oxide,Hot dip galvanized
6. Mark: According to your requirment
7. Delivery time: Normally in 20-30 days
8. Trade Assurance: Protect your order totally
9. Package: Cartons&pallets or according to customer's requirement.