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API fabryk fan Roller cone bit IADC637 3 7/8 ″ (98mm) op foarried
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Button bits leveransier IADC637 7 7/8 "(200mm)
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API tricone rock bits IADC637 9 5/8 "(244.5mm) op foarried
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TCI tricone bit IADC617 6 1/2 ″ (165mm) foar drilling rig
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API leveransier fan djippe rotsboarringsbits IADC537 9 5/8 "(244.5mm)
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API TCI knopbit IADC537 9 7/8 "(250mm) foar boarjen fan hurde rotsputten
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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 rotsbit IADC537 5 1/4" (133mm)
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API rotsboar IADC537 5 1/2 "(139,7 mm) foar hurde put
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API drill bits IADC537 5 5/8" (142.9mm)