| Size: | M16-M64 |
| Or according to client’s requirement | |
| Length: | 40mm-400mm |
| Material: | 42CrMoA, 42CrMo4, 40CrNI MoA, 35CrMo, 35VB, SCM440, SCM435, A193 B7, 20MnTiB, C45E, C35R35, 45 |
| Finish: | Plain/black/ zinc plated/dacromet |
| Grade: | 8.8/9.8/10.9/12.9 |
| Standard: | GB/T 5782; GB/T 5783 |
| Nut | 8, 10, 12 |
| Washer | 200HV, 300HV |
| Warranty Policy: | Qualities satisfy to 99.9%, and have 6-month quality warranty |
| After Sales Service: | Will follow up the request strictly for customers, and will help customers solve problems after sale. |
| Notice: | For customized products, Please inform the exact specification of inquiry such as Material, Grade, size etc. |
| if it is special and non-standard products, please supply the drawing or Photos or Samples to us. |
Materials Requirements for Bolt
| Item | Material | Standard |
| Bolt, stud Gr.10.9 | 42CrMo, 40CrNiMo, 35CrMo,35VB | GB/T 3077 |
| SCM440, SCM435 | JIS G4053 | |
| B7 | ASTM A193 | |
| Bolt, stud Gr.8.8, D≥16 | 42CrMo, 35CrMo,35VB | GB/T 3077 |
| SCM440, SCM435 | JIS G4053 | |
| B7 | ASTM A193 | |
| Bolt, stud Gr.8.8, D＜16 | Acc.to GB/T 3098.1, ISO 898-1 | |
Material Requirements for accessories
| Nut Gr.10, d≥36 | 42CrMo, 35CrMo | GB/T 3077 |
| Nut Gr.10, d＜36 | 45/45K | |
| Nut Gr.8, d≥16 | 45/45K | |
| Nut Gr.8, d＜16 | Acc.to GB/T 3098.2, ISO 898-2 | |
| Washer | 45 | GB/T 699 |
