: Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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Numa120 15" Down Hole Hammer Drill Bits Excellent Mechanical Properties

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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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Numa120 15" Down Hole Hammer Drill Bits Excellent Mechanical Properties

Contact Now

Numa120 15" Down Hole Hammer Drill Bits Excellent Mechanical Properties

Numa120-15"(381mm) For Water Well , Foundation ,Construction Drilling 1.General Introduction Shank Type Diameter Bit Face Gauge Buttons Front Buttons Side tips Flushing Hole Weight Numa120 381mm/15" ...

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dth drill bits

rock boring bits

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