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Reverse circulation drilling

 

 

Hammer Size: 4",5",6"
Hole Diameter: 114-190  
Shank : HRC range
                                          

Feature:
 

  • Optimization of inner structure offers faster drilling speed and more stable operation.
  • Easy maintenance with simple inner structure and strong rigidity
  • With all-in-one collective tube, the hammer can be replaced without disassembly.
  • With special design of bit, drilling for different sizes of holes only by changing bit.

 

 

The components of reverse circulation DTH drilling tools: 
Drill bit Hammer Double drilling pipe