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DTH morthwyl Bits Top Sub for Drill Rod Drilling Bit Affeithiwr
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Addasydd is DTH i lawr y twll morthwyl rod addasydd
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Blwch i Pin Thread Drill Rod Connector Adapter ar gyfer DTH Down The Hole Drill Pipe
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3 1/2 gwryw – 3 1/2 benywaidd Is cysylltydd Pin-Box ar gyfer gwialen drilio
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Is-ddrill Rod Adapter DTH Drilio Offer Thread Gwryw Adapter Cyplydd
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Water Well Downhole Adapter gwrywaidd i gwrywaidd Morthwyl