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bit bor tungsten carbide speed tinggi IADC537 5 7/8 "(149mm)
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Bit batu tricone IADC537 6 inci (152,4 mm)
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Rotary tricone bit IADC537 6 1/4 inci (159 mm)
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TCI tricone rock bits IADC537 6 3/4″ (171mm)
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Tombol API bit IADC537 6,5 inci (165mm) kalawan harga potongan
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TCI bit batu IADC537 7 1/2 ” (190 mm)
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API pabrik tricone bit IADC537 7 5/8 ”(193,7 mm)
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TCI tricone bit IADC537 7 7/8 inci (200 mm)
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Tungsten Carbide Selapkeun Bit IADC537 8 1/2″(215.9mm)
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Tombol API bor batu bit IADC537 8 3/4 "(222.2mm) kalawan harga potongan
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TCI bor bit IADC537 9 1/2 "(241mm) pikeun hard rock oilwell
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API batu sumur pangeboran bit IADC537 10 5/8 inci (269mm)