Product OverviewsBANNERBESTLINK China Factory Down The Hole Coprod89-115mm Long Shank Bit COPROD is a unique rock drilling system combining the greater penetration rate and lower fuel consumption of tophammer equipment with the holequality and straightness of DTH drilling.D mmGuageFrontFlushing hole

Odex Overburden Eccentric Casing System Drill Bits for Water and Geothermal Well Drilling

Bulroc Shank Br1 0.75~1.75 MPa Middle Air Pressure Down The Hole Drilling Button Bit

Photovoltaic Power Station Construction Borehole Rock Drilling Tool DHD350 Cop54 DHD360 Cop64 Down The Hole DTH Button BitDTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to en

Hot selling Factory Sale DHD350-135mm Button Mining Drill Bits DTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to enable the drilling by crushing the rock. Drilling method by DTH hammer exerts high drilling performance especially for drilling hard rock and contributes for shortening work schedule. Hence, this method is widely utilized for foundation work, landslide prevention work, quarrying services, marine civil work, etc.

Photovoltaic Power Station Construction Borehole Rock Drilling Tool DHD350 Cop54 DHD360 Cop64 Down The Hole DTH Button BitDTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to en