| Warranty | 1 Year |
|---|---|
| Материал | 16Mn для бурового стержня; 16Mn/35CrMo для ствола Келли; Q235 для трубы треми |
| Color | Customized |
| After-sales service provided | Video technical support,Online support,Engineers available to service machinery overseas,Field maintenance and repair service,Field installation |
| Name | Rotary head sleeve booshfor rotary drilling rig construction machine parts piling rig rotary head accessories |
