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API Gyratorius cylindrus terebra frenum IADC517 4.5 inches (114mm) in stock
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Button bit IADC517 118mm pro geothermal bene saxum exercendis.
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API officina rotundi rotundi rotundi IADC517 4 3/4″ (120mm)
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API gyrum Bulla obsignata IADC517 5 1/4″ (133mm) in stock
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Tungsten Carbide Insert saxum EXERCITATIO BIT IADC517 5 7/8″ (149mm)
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API Bene exercendo triconem frenum IADC517 6″ (152.4mm) pro sale
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Triconus cylindrus terebra IADC517 6 1/4″ (159mm)
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TCI Bulla petrae signata frena IADC517 6 1/2″ (165mm) pro bene exercendis
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TCI triconus bit IADC517 7 1/2″ (190mm)
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Alta Bene Tricone Bit IADC517 7 7/8 dig (200mm)
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API Tricone Bit IADC517 8.5 inches (215.90mm)
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API Tricone terebratio IADC517 8 3/4 inches (222mm) in stock