8 Inch DTH Hammer Overburden Drilling System Bits DHD350 DHD360

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Wuhan Kingdrilling Diamond Co.,Ltd

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8 Inch DTH Hammer Overburden Drilling System Bits DHD350 DHD360

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8 Inch DTH Hammer Overburden Drilling System Bits DHD350 DHD360

Product name: 273mm MRING tunneling casing drilling ring bit for 8 inch DTH hammer Product category: Concentric casing drilling system Matched hammer: Hammer DHD380 Matched casing pipe OD: 273mm MRING ...

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DHD360 Overburden Drilling System

8 Inch Overburden Drilling System

8 Inch dth bits

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