| After-sales Service: | If There Is a Problem, Send New Drill Bits Free of |
|---|---|
| Warranty: | If There Is a Problem, Send New Drill Bits Free of |
| Certification: | CE |
| Surface Treatment: | Nitriding Treatment |
| Manufacturing Process: | Forging |
| Material: | Tungsten Carbide |
| Customization: |
|---|
){kind=link}