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Ceann drileadh math IADC126 3 7/8 òirleach (98.4mm) airson creag chruaidh
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Solaraiche Milled Tooth Bits IADC126 4.5 òirleach (114mm)
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Factaraidh drile API bts IADC126 4 3/4 òirleach (120mm)
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API Trì cònaichean IADC126 4 5/8 òirleach (118mm) airson drileadh math
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Pìosan tricone airson drileadh math ann an stoc IADC126 6inches (152mm)
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Bit drile API Tricone IADC126 9.5 òirleach (241mm) airson a reic
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Factaraidh rig drileadh math IADC126 17 1/2 òirleach (444.5mm)
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Factaraidh bit Tricone IADC126 26 òirleach (660mm)
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Pàirtean drile gnàthaichte API IADC126 5 1/4 òirleach (133mm) airson creag chruaidh
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Ceann drileadh tobar API IADC126 7 1/2 òirleach (190.5mm)
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Drile giùlan seulaichte bts IADC126 9 7/8 òirleach (250mm)
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Solaraiche drile tricone IADC126 12 1/4 òirleach (311mm) airson drileadh math