| Condition | New | 
|---|---|
| نام تجاری | JTHL | 
| Application | Work With Rotary Drilling Rig | 
| Quality | Reliable Highest | 
| Pressure From | Interlocking , Friction, Combined | 
| Usage | Rotary Piling Rig Spares | 
|---|---|
| Product Name | Interlocking Kelly Bar | 
| عمق حفاری | 10-100 متر | 
| قطر حفاری | 400-3000 میلی متر | 
| Advange | Factory |