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Pìos drile rolair tricone IADC517 6 1/4 ″ (159mm)
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Bidh putan roc seulaichte TCI a ’bualadh IADC517 6 1/2 ″ (165mm) airson drileadh math
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TCI tricone bit IADC517 7 1/2 ″ (190mm)
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Bit Tricone Deep Well IADC517 7 7/8 òirleach (200mm)
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API Tricone Bit IADC517 8.5 òirleach (215.90mm)
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Pìos drileadh API Tricone IADC517 8 3/4 òirleach (222mm) ann an stoc
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Tricone Roller Bits IADC517 9.5 òirleach (241mm)
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Bits tricone rothlach IADC517 9 7/8 ″ (250mm) airson creag chruaidh
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Pìos creige trì cònaichean IADC517 10 5/8 ″ (269mm)
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Pìos roc rothlach IADC517 11 5/8 ″ (295mm)
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Bit tricone rothlach IADC517 12 1/4 ″ (311mm)
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Pìos trì cònaichean IADC517 13 5/8 ″ (346mm)