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Bixiyaha API ee qodista ceelasha dhagaxa qoto dheer IADC537 9 5/8″(244.5mm)
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Badhanka API TCI IADC537 9 7/8″(250mm) oo loogu talagalay qodista ceelasha dhagaxa adag
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Badhanka Rotary Bit IADC537 3 7/8″ (98mm)
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Qaybaha qodista Tricone IADC537 4 3/4″ (120.6mm)
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Qalabka qodista tricone API IADC537 14 3/4" (374mm) ee dhagaxa adag
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Qaybaha Tricone IADC537 4 5/8″ (118mm)
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Bit tricone dhagax API IADC537 5 1/4" (133mm)
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Qalabka qodista dhagaxa API IADC537 5 1/2 ”(139.7 mm) ee ceelka adag
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Qaybaha qodista API IADC537 5 5/8″ (142.9mm)
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Qaybaha qodista carbide ee tungsten xawaaraha sare leh IADC537 5 7/8″ (149mm)
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Qaybaha dhagaxa Tricone IADC537 6 inji (152.4 mm)
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Bit tricone ah oo wareeg ah IADC537 6 1/4 inji (159 mm)