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Pìos drileadh creige tricone API TCI IADC417 6″ (152mm) airson tobar cruaidh
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Bit tricone TCI IADC437 12 1/4″ (311mm) airson drileadh tobair
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Drile rolair rothlach API IADC517 4.5 òirleach (114mm) ann an stoc
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Bit putan IADC517 118mm airson drileadh creige tobar geo-theirmeach.
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Factaraidh API de bhileag rolair rothlach IADC517 4 3/4″ (120mm)
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Pìos drileadh creige le cuir a-steach carbaid tungsten IADC517 5 7/8″ (149mm)
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Bit tricone drileadh tobar API IADC517 6″(152.4mm) ri reic
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Bit tricone TCI IADC517 7 1/2″ (190mm)
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Bit Tricone API IADC517 8.5 òirleach (215.90mm)
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Bit drile API Tricone IADC517 8 3/4 òirleach (222mm) ann an stoc
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Bit creige rothlach IADC517 11 5/8″ (295mm)
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Bit rothlach tricone IADC517 12 1/4″ (311mm)