1. Material: Mild carbon steel, medium carbon steel, stainless steel, alloy steel
2. Grade: 4.8, 6.8, 8.8, 10.9, 12.9
3. Finish: Plain, zinc plated, oxide black, hot galvanize, chromate
4. Packing: 25kg/carton on bulk
5. Delivery: 20day after accept full money
Note: Discuss about each other