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API tilu congcot bit IADC537 11 5/8″(295mm) pikeun sumur teuas
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Puteran bit tri-cone IADC537 12 1/4″(311mm)
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Logam disegel Far Eastern bit pangeboran batu IADC537 13 5/8 "(346mm)
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API tricone bor bit IADC537 14 3/4″ (374mm) pikeun hard rock
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Tricone roller bit pangeboran IADC537 15.5 "(393.7mm) pikeun sumur jero
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TCI pangeboran bit IADC537 16 "(406.4mm)
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Tungsten Carbide Selapkeun tricone bit IADC537 17.5″ (444.5mm)
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API & ISO tricone roller bit IADC537 26″(660.4mm)