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Bit bi tliet koni IADC517 13 5/8″ (346mm)
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Bit tat-trapan API IADC517 17 1/2″ (444.5mm)
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Fornitur tal-bits tat-tricone API IADC117 5 7/8 pulzieri (149mm)
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Bits tat-trapan trikoniku bis-snien imtaħħna tal-API IADC114 12 1/4″(311mm)
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Ixtri bits tricone IADC117 12 1/4 pulzieri (311mm)
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Ras tat-tħaffir tal-bir IADC126 3 7/8 pulzieri (98.4mm) għal blat iebes
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Fabbrika tal-bits tat-tħaffir tal-bjar IADC126 17 1/2 pulzieri (444.5mm)
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Fabbrika tal-bits Tricone IADC126 26 pulzier (660mm)
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Biċċiet tat-tħaffir sħaħ tal-fabbrika IADC127 6 1/4 pulzieri (158.8mm)
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Fornitur tal-bits Tricone IADC127 7.5 pulzieri (190mm)
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Bits tat-tħaffir tar-rigg API IADC127 8 1/2 pulzieri (215mm) għal blat iebes
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Bits tricone fl-istokk IADC127 8 3/4 pulzieri (222mm)