Since 2005 developed the E+M Brunnenbau und Bohrtechnik GmbH the new technology for the large hole drilling technology in the hammer drilling method.

Operational areas:
The technology is suitable particularly for rock, in particular with problematic conditions (change layers, gaps, low-lying water levels or something similar), which an auxiliary pipework system requires, in addition, as over burden drilling system for layers with block work, rubble, etc.

They find a detailed description of the E+M large borehole hammer in the pdf file standing down to the Download!