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Tricone Bits Hiersteller IADC127 4 9/16 Zoll (115,9 mm)
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Tricone Bits Fabréck IADC127 5 7/8 Zoll (149mm) fir schwéier gutt Bueraarbechten
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Ganzen Drill Bits Fabréck IADC127 6 1/4 Zoll (158,8 mm)
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Tricone Bits Supplier IADC127 7.5 Zoll (190mm)
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Bohrbits op Lager IADC127 7 7/8 Zoll (200 mm)
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API Rig Bohrbits IADC127 8 1/2 Zoll (215mm) fir Hard Rock
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Tricone Bits op Lager IADC127 8 3/4 Zoll (222mm)
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API Millen Zännbits op Lager IADC127 9.5 Zoll (241mm)
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Discount Tricone Bits IADC127 9 5/8 "(244.5mm)
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Rotéierend Kapp fir Rig IADC127 9 7/8 "(250.8mm)
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3 Kegel Roller Bits IADC127 11 5/8” (295 mm)
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Deep Well Bohrbits IADC127 13 5/8 "(346mm) op Lager