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Pemasok API bit pengeboran sumur batu jero IADC537 9 5/8″(244.5mm)
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bit tombol API TCI IADC537 9 7/8″(250mm) kanggo pengeboran sumur hard rock
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Bit Tombol Rotary IADC537 3 7/8″ (98mm)
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Tricone Bits IADC537 4 5/8″ (118mm)
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Mata bor Tricone IADC537 4 3/4″ (120.6mm)
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API tricone rock bit IADC537 5 1/4″ (133mm)
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API rock drill bit IADC537 5 1/2 "(139,7 mm) kanggo hard well
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Mata bor API IADC537 5 5/8″ (142.9mm)
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Mata bor tungsten karbida kecepatan tinggi IADC537 5 7/8″ (149mm)
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Tricone rock bit 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)