| Standard | GB, DIN, ISO, JIS |
| Size | M3-M50 or non-standard as request&design |
| Material | Carbon steel, stainless steel, alloys steel etc. |
| Hex head bolt and nut Grade | 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , |
| A2-70 / A4-80 | |
| Packing | Box, carton or plastic bags, then put on pallets, or according to the demand of the customers |
