Complaint
| Standard | DIN7991 |
| Grade | 8.8/10.9 |
| Dia. | M12-M36 |
| Length | 35-400MM |
| Materials: | Alloy steel---40Cr / 35CrMo, 42CrMo; Carbon steel:35K, 45K |
| Available finish | Dacromet, black oxide, phosphating, electronic galvanized,ect. |
| Head marking | HYZ+8.8 or customers' brand + 8.8 |
| Packing | Carton and wooden pallet or wooden case; barrel+wooden pallet |
| Certification: | FPC BC1, SGS,BV,ISO9001, factory products 3.1 cert. |
| Properties | Yield strength N/mm2 | Tensile strength N/mm2 | Elongation % | Reduction of area % |
| 8.8 | ≥ 660 | ≥ 830 | ≥ 12 | ≥ 52 |
| 10.9 | ≥ 940 | ≥ 1040 | ≥ 9 | ≥ 48 |
| Hardness of bolt | |
| Class | Bolt |
| 8.8 | HRC23~34 |
| F10T | HRC32~39 |
| 1.CORE PRODUCTS: |
| 2.CERTIFICATION AND HONORS: |
| 3. FACTORY WORKSHOPS: |
| 4.Our Related projects: |
| 5. Brand business Partner: |
