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API Knäppchen Bohr IADC517 17 1/2" (444.5mm)
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API Fabréck vun TCI Tricone Bit IADC617 5 5/8 ″ (142.9mm)
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API Rotary Tricone Bit IADC617 6 "(152mm) fir Wellbueren
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Tricone Rock Bit IADC617 8 1/2 ″ (215,9 mm) fir gutt Bueraarbechten
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API Fabrikant vun Tricone Rock Bit IADC617 9 7/8 Zoll” (250mm)
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API Fabréck vun Tricone Roller Bit IADC617 12 1/4 Zoll (311.1mm)
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API Fabréck vu Rock Bohrbits IADC617 17 1/2 Zoll (444,5 mm) op Lager
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API Wolfram Carbide Insert Rock Dill Bit IADC627 3 7/8" (98mm) op Lager
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Rotary Roller Bit IADC627 8 1/2" (215mm/216mm)
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Rollerkegelbohrer IADC637 4 5/8" (118mm)
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Tricone Roller Bit IADC637 4 3/4″ (120mm) fir Hard Rock Bueraarbechten
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Kugelzänn Tricone Biit IADC637 5.5" (140mm)