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Bene EXERCITATIO rig frenum officina IADC126 17 1/2 inches (444.5mm)
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Tricone frenum officina IADC126 26 inches (660mm)
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Triconis frena fabrica IADC127 4 9/16 dig (115.9mm)
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Tricone frena officina IADC127 5 7/8 pollices (149mm) pro arte bene dura
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Totum terebrarum officina IADC127 6 1/4 dig (158.8mm)
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Tricone calcaria elit IADC127 7.5 dig (190mm)
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Drilling bits in stock IADC127 7 7/8 pollices (200mm)
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API rig EXERCITATIO fres IADC127 8 1/2 inches (215mm) for hard rock
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Tricone frena in genere IADC127 8 3/4 dig (222mm)
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API molae dente minutae in stirpe IADC127 9.5 inches (241mm)
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Discount tricone frena IADC127 9 5/8 » (244.5mm)
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Caput rotatum pro rig IADC127 9 7/8 » (250.8mm)