QL60 165mm Tungsten Carbide DTH Button Drill Bits and 6 inch DTH hammer for Rock

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Henan Jinzen Rock Drilling Tools Company

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QL60 165mm Tungsten Carbide DTH Button Drill Bits and 6 inch DTH hammer for Rock

Contact Now

QL60 165mm Tungsten Carbide DTH Button Drill Bits and 6 inch DTH hammer for Rock

All our DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the ...

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