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Xawaaraha sarreeya ee tungsten carbide feerka IDC537 5 7/8 ″ (149mm)
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Dhagaxyada Tricone ee IDC537 6 inji (152.4 mm)
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tricone-ka Rotary IDC537 6 1/4 inches (159 mm)
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TCI tricone dhagaxyada IDC537 6 3/4" (171mm)
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Badhan API bit IDC537 6.5 inches (165mm) oo leh qiimo jaban
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TCI dhagaxa qaniinyada IDC537 7 1/2 "(190 mm)
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API tricone bit IDC537 7 5/8 "(193.7 mm)
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TCI tricone bit IDC537 7 7/8 inji (200 mm)
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Gelida Tungsten Carbide Bit IDC537 8 1/2 "(215.9mm)
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API button rock drill bit IDC537 8 3/4"(222.2mm) oo leh qiimo jaban
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Qodabka TCI ee IDC537 9 1/2"(241mm)
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Qoditaanka ceelka dhagaxa API IDC537 10 5/8 inji (269mm)