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9 1/2Inch 240mm API Standard TCI tricone bits don hakowa
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7 1/2 Inci 190.5mm Tci Tricone Bits Don Hakowa Mai Kyau
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6 1/2 inch fuka-fuki uku dutsen nadi TCI tricone bits don hakowa mai wuya
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6 3/4 inch Farashin masana'anta Tricone Bit/ Rijiyar Rijiyar Ruwa Na Siyarwa
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6 inch Tci Tricone Drill Bit 152mm Babban Ingantaccen Ruwa Rijiyar Mai Binciken Tricone Drill Bit
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5 1/2 Inci Iadc 537 Tci Tricone Drilling Rock Bit Don Matsakaici Hard Formation
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12 1/4" 311mm API daidaitaccen TCI dutsen nadi don hako rijiyar bole
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3 7/8 Inci Tungsten Carbide Saka Tricone Bit Don Rijiyar Ruwa da Hakowa ta Core