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Àwọn ìdìpọ̀ ìwakọ̀ kànga apata API IADC537 10 5/8 inches (269mm)
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API mẹta cones bit IADC537 11 5/8″(295mm) fun kanga lile
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Bit tri-cone tí ń yípo IADC537 12 1/4″(311mm)
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Iṣẹ́ ìwakọ̀ àpáta Far Eastern tí a fi irin ṣe IADC537 13 5/8″(346mm)
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Lilọ kiri bit tricone roller IADC537 15.5″(393.7mm) fun kanga jinjin
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Béètì ìlù TCI IADC537 16″(406.4mm)
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Àfikún tricone bit Tungsten Carbide IADC537 17.5″ (444.5mm)
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API & ISO tricone roller bit IADC537 26″(660.4mm)