| Place of Origin |
China |
| Brand Name |
HX |
| Model Number |
HX-12 |
Standard——GB, TB/T 2347-93, AREA or ASTM, GB and UIC Size ——Diameter--M20,M22,M24&3/8″-1/8″ The length does not limit Grade—— 8.8, 10.9 and also Grade 2 Grade 5 Grade 8 Surface treatment——black, electrogalvanization and Dacromet.