


| Standard | DIN, ASTM, ISO, EN, UNI, NFE, GB |
| Grade | 4.8, 8.8, 10.9, 12.9 |
| Size | M3-M100 |
| Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Finish | Plain, Black, YZP, BZP,HDG, Dacromet, ect |
| Sample | Samples For Free |
| Customized | Yes |
| After Sales Service | We will follow up the requst strictly for customers, and will help customers solve problems after sale. |

























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