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DOWN THE HOLE.
Surface // DTH drilling rigs
QMC Down The Hole drilling rigs
COMMANDER DRILL
For marble and granite quarries
QMC 43
QMC 44
QMC 46
Down The Hole (DTH) drilling, is a rock drilling method where the hammer is located directly behind the drill bit, delivering impact energy at the bottom of the hole. It is ideal for drilling deep, straight, and large diameter holes in hard rock
