STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
| Customization: | Available |
|---|---|
| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Product Name | Reverse circulation drilling rig |
Max drilling depth | 400 m |
Drilling diameter | 115-305 mm |
Air pressure | 1.05-3 Mpa |
Air consumption | 16-42 m³/min |
Drill pipe length | 3 m |
Drill pipe diameter | 89/108/127 mm |
Axial pressure | 5 T |
Lifting force | 12 T |
Fast lifting speed | 14.5 m/min |
Fast feeding speed | 21 m/min |
){kind=link}