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Bit Slaodadh PDC 4 1/4 òirleach 3 lannan
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Bit tricone rothlach API IADC617 6” (152mm) airson drileadh tobair
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Pìos creige tricon IADC617 8 1/2″ (215.9mm) airson drileadh tobair
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Neach-dèanamh API de phìos creige tricone IADC617 9 7/8 òirleach” (250mm)
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Factaraidh API de bhite rolair tricone IADC617 12 1/4 òirleach (311.1mm)
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Factaraidh API de phìosan drileadh creige IADC617 17 1/2 òirleach (444.5mm) ann an stoc
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Bit dill creige le cuir a-steach API tungsten carbide IADC627 3 7/8″ (98mm) ann an stoc
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Bit rolair rothlach IADC627 8 1/2″ (215mm/216mm)
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Bit rolair tricone IADC637 4 3/4″ (120mm) airson drileadh creige cruaidh
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Bit tricone fiacail ball IADC637 5.5″ (140mm)
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Factaraidh API de TCI tricone biit IADC637 6 “(152.4mm) ann an stoc
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Bit creige tricone API TCI IADC637 6 3/4″ (171.4mm)