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7 1/2 Inch Api Igipimo Cyiza Cyiza Cyumubiri Umubiri Pdc Gutobora Bit Kubyamavuta cyangwa Amazi meza
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4 1/2 Inch Amazi Iriba Roller Cone Bit 114mm Ibyuma Byinyo Byuma Tricone Bit
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9 7/8 Inch Yamamaza Premium Api StandardTricone Gutobora Bit Kubyiza
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7 7/8 Inch hamwe na Blade 6 Amazi Iriba Icyuma Umubiri Pdc Gutobora Bit Kubyiza
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12 1/4 Inch hamwe na Blade 5 Icyuma Umubiri Pdc Bit Amazi Namavuta Gutobora
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26 Inch Iadc 537 Gutobora Bit Gukora Rubber Ifunze Ikidodo Tci Tricone Bit
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7 7/8 Inch Iadc 537 Tci Tricone Urutare Bitike yo Hagati Hagati
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15 1/2 Inch Iadc 537 Rubber Ifunze Ikidodo cya Tci Tricone Urutare Bitandukanye no Hagati
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8 1/2 Gutobora Tricone Bit Iadc 517 Igikoresho cyo gucukura Ubwiza buhanitse Igiciro gito
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13 5/8 Inch Iadc 517 Amazi Iriba Tci Tricone Gucukura Bit Kubushobozi Buke bwo Kwikuramo
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6 ″ Kurura Bit / 3 Amababa Chevron Kurura Bit Kuburyo bwiza
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4 1/2 ″ Api 4 Amababa Chevron Kurura Bit Kubutaka bwa Geothermy
