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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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Energy Saving DTH Drill Bits High Air Pressure Diameter 203 - 305 Mm

Hunan New Diamond Construction Machinery Co., Ltd.
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Energy Saving DTH Drill Bits High Air Pressure Diameter 203 - 305 Mm

Energy Saving DTH Drill Bits High Air Pressure Diameter 203 - 305 Mm

COP84 (DHD380) 203-305mm high air pressure energy saving DTH Drill Bits Description The use of high quality steel and hard alloy as raw materials, through a special heat treatment process, ball tooth ...

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ballistic button bits

      

air hammer drill bits

      
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