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17 1/2 Inch Icyuma Amenyo Yicyuma Tricone Bit Iadc 127 Kubyubaka Umuyoboro
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15 1/2 Inch Iadc 127/217 Amenyo yinyo ya Tricone Bits kugirango Yoroshe
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14 3/4 Inch Iadc 127 Gutobora Tricone Bit Steel Urusyo Amenyo Roller Cone Gucukura Rig
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12 1/4 Inch Api Stanard Tricone Bit Amazi Iriba Icyuma Amenyo Yurutare Roller Bitagurishwa
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10/5
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9 7/8 Inch Iadc 217 Ibyuma Byinyo Byuma Tricone Bit Byakoreshejwe Kumariba Yamazi
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8 3/4 ″ Icyuma Cyinyo Triocne Kubyoroheje Byiza Gucukura Ibyuma Bitobora Intego nyinshi Intego
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8 1/2 Inch 215.9mm Iadc 127 Amenyo yicyuma Tricone Bit bikwiranye ninganda zubaka nubucukuzi.
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7 7/8 Inch Iadc 127 Amazi meza Yasya Amenyo Bitobora
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7 1/2
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6 3/4 Inch Iadc 217 Ibyuma Byinyo Byuma bya Tricone Urutare Bitobora neza
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3 7/8 Inch Amenyo Yicyuma Tricone Bit Iadc Code 127 kugirango ikorwe byoroshye
