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

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Excellent Hardness Top Hammer Drill Bits Numa 120 13" Size Steel Carbide

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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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Excellent Hardness Top Hammer Drill Bits Numa 120 13" Size Steel Carbide

Contact Now

Excellent Hardness Top Hammer Drill Bits Numa 120 13" Size Steel Carbide

Numa120-13"(330mm) For Water Well , Foundation ,Construction Drilling 1.General Introduction Shank Type Diameter Bit Face Gauge Buttons Front Buttons Side tips Flushing Hole Weight Numa120 330mm/13" ...

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water well bits

rock boring bits

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