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| Type | Core Drilling Rig |
| Use | Water Well |
| Drilling Diameter | 140mm, 146mm, 152mm, 165mm, 178mm |
| Drilling Depth | Max.100m |
| Place of Origin | Hunan, China |
| Weight | 64.5 KG |
| Warranty | Unavailable |
| Core Components | Top sub, External Cylinder, Drive Chuck |
| Key Selling Points | Long life |
| Brand Name | Csdrill |
| Machinery Test Report | Provided |
| Video outgoing-inspection | Provided |
| Product Name | DTH Back Hammer |
| Diameter | 140-240mm |
| Length without bit | 510-600mm |
| Achine Type | Drilling Tool |
| Material | Alloy Steel |
| Local Service Location | China |
| Application | Well drilling,DTH drilling, Coal Drilling, Quarrying |
| Advantage | High Performance, Duarable |
| Connect Thread | API 2 3/8″ API 3 1/2″ API 4 1/2″ API 6 5/8″ REG |
| Size | 5″-12″ |
Note: Photographs and illustrations are for reference only and do not represent standard versions of equipment. The company reserves the right to make changes without prior notice. For the latest information, please contact us.
Your questions answered
We are both, we have our own factory. And also have many long-relationship factories.
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our quality。
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.
As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always
in the material research and drawing design of drilling tools for 25 years. And he had designed
the world’s biggest top hammer bit and DTH hammer bit, highly praised by the users.
It depends, generally it takes about 15-25. If have stocks, Usually only 5-10 days if in stock.
Sure, welcome, kindly contact us for address details and time schedule.
