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OD 127mm MRE Dual Rotors Overburden Casing Drilling System DHD Shank With Casing Tube

DTH Drill Bit
2025-06-17
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OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube Description MRE Dual Rotors Eccentric Overburden casing drilling system, At clockwise rotation, reamer bits expand ... View More
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OD 127mm MRE Dual Rotors Overburden Casing Drilling System DHD Shank With Casing Tube
OD 127mm MRE Dual Rotors Overburden Casing Drilling System DHD Shank With Casing Tube
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