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Roller cone drill biit IADC637 4 5/8″ (118mm)
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Tricone roller bit IADC637 4 3/4″ (120mm) for hard rock drilling
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Ball tooth tricone biit IADC637 5.5″ (140mm)
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API factory of TCI tricone biit IADC637 6 “(152.4mm) in stock
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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
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API Tricone bit price IADC637 8 1/2 ” (215.9mm)
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Rotary button drill bit IADC617 12 1/4 inches (311mm)
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API tricone drill bits manufacturer IADC637 12 1/4 ” (311.1mm)
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Metal sealed drill bit IADC637 14 3/4 ” (374.6mm) for deep well
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Three cones bit IADC637 17 1/2 ” (444.5mm)
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8 1/2 Inches PDC Drill Bits OEM Factory
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API 8 1/2 Inches Polycrystalline Diamond Drill Bits