Changsha Adriller Machinery Co.,Ltd.
Changsha Adriller Machinery Co., Ltd. Professional drilling tools provider
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Down The Hole Bits 190mm Flat Face All Round Button QL60 Shank DTH Hammer Drilling Bit for Quarry
advantages:
1. Out of the trouble of foot valve fracture expansion and contraction.
2. Lower energy consumption and higher impact frequency.The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure,reliable parts,long life span,easy and cheap maintenance.
4. Lower air and oil consumption.The oil consumption is about 10% lower than the one with foot valve.
Scope of application:
Mining, quarry, road building, well hole drilling, blasting, landslide prevention, dam reinforement, anchoring, geothermal, hydrology, etc