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Tricone roller drills IDC517 6 1/4" (159mm)
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TCI maɓallan dutsen da aka rufe IDC517 6 1/2 ″ (165mm) don hako rijiyar
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TCI tricone bit IDC517 7 1/2" (190mm)
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Deep Well Tricone Bit IDC517 7 7/8 inci (200mm)
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API Tricone Bit IDC517 8.5 inci (215.90mm)
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API Tricone drilling bit IDC517 8 3/4 inci (222mm) a hannun jari
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Tricone Roller Bits IDC517 9.5 inci (241mm)
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Rotary tricone Bits IDC517 9 7/8" (250mm) don dutse mai wuya
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Uku cones dutse bit IDC517 10 5/8" (269mm)
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Rotary dutse bit IDC517 11 5/8" (295mm)
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Rotary tricone bit IDC517 12 1/4" (311mm)
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Cones guda uku bit IDC517 13 5/8 ″ (346mm)