| Finish | black oxied | Material | carbon steel, Carbon steel |
| Place of Origin | Hebei, China | Brand Name | Tiancong |
| Model Number | DIN912 | Standard | DIN |
| Product name | DIN912 high quality high strength black hex socket bolt | Grades | 4.8,6.8,8.8,10.9,12.9 |
| Surface treatment | boil black | Size | M2-M24 |
| Length | 10mm-64mm | Type | coarse,fine |
| Delivery time | 3days for stock qty | OEM | Acceptable |
| Color | black |