| Brand Name | huachang xingye |
| Place of Origin | China |
| Model Number | hc2021887708 |
DTH back hammer is a tool that can save and recover a drilling string stuck in a hole
it can be easily fitted in a suitable tube joint between the drill support and the rotation head to provide an effective combination of backward hammering and vibration to loose stuck drilling string
size :3INCH ,4INCH, 5INCH, 8INCH ,10INCH ,12INCH 18INCH
whatsapp 008618902059907 email info@tjdrilling.com
tianjin huachang xingye technology co ltd
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