Description 1. Model no.: a325m 8s 2. Type: hexagon head 3. Material: carbo 4. Grade: 8.8 3. 5. Diameter: m12 to m36n steel 6. Surface treatment: black, zinc plated, zinc (yellow) plated, h.D.G. Etc 7. Standard: ansi 8. Heat treatment: yes 9. High tensile: yes 10. Origin: ningbo 11.Trademark: sd 12. Hs code: 7315189090 Competitive advantages 1. Top quality control 2. Competitive price 3. Various of design 4. Oem accepted 5. Customer's design and logo are welcome
