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Qaybaha dhagaxa TCI tricone IADC537 6 3/4″ (171mm)
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Badhanka API IADC537 6.5 inji (165mm) oo leh qiimo dhimis
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Dhagaxa TCI IADC537 7 1/2” (190 mm)
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Qayb yar oo tricone warshad API ah oo IADC537 ah 7 5/8 ” (193.7 mm)
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Bit tricone TCI IADC537 7 7/8 inji (200 mm)
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Qalabka Insert-ka Tungsten Carbide Bit IADC537 8 1/2″(215.9mm)
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Qalabka qodista dhagaxa ee badhanka API IADC537 8 3/4″(222.2mm) oo leh qiimo dhimis
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Qalabka daloolinta TCI IADC537 9 1/2″(241mm) ee ceelka saliidda dhagaxa adag
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Qaybaha qodista ceelasha dhagaxa API IADC537 10 5/8 inji (269mm)
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Saddex koon oo API ah oo IADC537 ah 11 5/8″(295mm) oo loogu talagalay ceelka adag
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Qayb saddex-geesle ah oo wareegaysa IADC537 12 1/4″(311mm)
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Qodista dhagaxa Far Eastern oo bir ah oo la shaabadeeyey IADC537 13 5/8″(346mm)