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API factory ng Roller cone bit IADC637 3 7/8″ (98mm) sa stock
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Supplier ng button bits IADC637 7 7/8 ” (200mm)
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API tricone rock bits IADC637 9 5/8 ” (244.5mm) sa stock
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TCI tricone bit IADC617 6 1/2″ (165mm) para sa drilling rig
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Supplier ng API ng deep rock well drilling bits IADC537 9 5/8″(244.5mm)
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API TCI button bit IADC537 9 7/8″(250mm) para sa hard rock well drilling
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Rotary Button Bit IADC537 3 7/8″ (98mm)
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Tricone Bits IADC537 4 5/8″ (118mm)
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Tricone drill bits 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) para sa matigas na balon
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API drill bits IADC537 5 5/8″ (142.9mm)