Overburden Drilling Method
Drilling system with one rotary drive and one rotary drilling direction

Overburden drilling method

The overburden drilling method (similar to the double-head drilling method) has only one rotary drive and only one direction of rotation. Use with

  • Down-the-hole hammer
  • Solid auger

(outside casing with ring drill bit, the inside casing mainly with solid drill bit)

Further Information

Soon you will find more detailed information here.

  • Please do not hesitate to contact us for further information. We will be happy to advise you individually!
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