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Darn drilio craig tricone API TCI IADC417 6″(152mm) ar gyfer ffynnon galed
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Bit tricone TCI IADC437 12 1/4″ (311mm) ar gyfer drilio ffynhonnau
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Darn dril rholer cylchdro API IADC517 4.5 modfedd (114mm) mewn stoc
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Bit botwm IADC517 118mm ar gyfer drilio creigiau ffynnon geothermol.
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Ffatri API o ddarn rholer cylchdro IADC517 4 3/4″ (120mm)
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Darn drilio creigiau Mewnosodiad Carbid Twngsten IADC517 5 7/8″ (149mm)
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Drilio ffynnon API tricone bit IADC517 6″(152.4mm) ar werth
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Bit tricon TCI IADC517 7 1/2″ (190mm)
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Bit Tricone API IADC517 8.5 modfedd (215.90mm)
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Darn drilio API Tricone IADC517 8 3/4 modfedd (222mm) mewn stoc
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Darn craig cylchdroi IADC517 11 5/8″ (295mm)
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Bit tricon cylchdro IADC517 12 1/4″ (311mm)