: Hunan New Diamond Construction Machinery Co., Ltd.

Hunan New Diamond Construction Machinery Co., Ltd.

High Performance Casing Drilling System For Mines / Quarries Alkali Resistance

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Hunan New Diamond Construction Machinery Co., Ltd.

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High Performance Casing Drilling System For Mines / Quarries Alkali Resistance

Contact Now

High Performance Casing Drilling System For Mines / Quarries Alkali Resistance

Description The pilot bit is attached to any common DTH hammer shank or top hammer rod thread. The casing shoe is welded to the casing. The pilot bit and ring bit are locked together by the bayonet ...

Product Tags:

concentric drilling system

dth drilling system

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