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API Rotary Roller drill bit IDC517 4.5 sentimita (114mm) na ngwaahịa
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Bọtịnụ bọtịnụ IDC517 118mm maka igwu mmiri nke ọma nke geothermal.
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Ụlọ ọrụ API nke rotary roller bit IDC517 4 3/4" (120mm)
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Bọtịnụ rotary API agbachiri ibe n'ibe IDC517 5 1/4 ″ (133mm) na ngwaahịa.
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Tungsten Carbide Fanye nkume mkpọpu bit IDC517 5 7/8" (149mm)
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API olulu mmiri tricone bit IDC517 6″(152.4mm) maka ọrịre
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Tricone roller drill bits IDC517 6 1/4 ″ (159mm)
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TCI akara bọtịnụ nkume IDC517 6 1/2" (165mm) maka igwu mmiri.
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TCI tricone bit IDC517 7 1/2 ″ (190mm)
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Deep Well Tricone Bit IDC517 7 7/8 sentimita (200mm)
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API Tricone Bit IDC517 8.5 sentimita (215.90mm)
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API Tricone mkpọpu ihe IDC517 8 3/4 inch (222mm) na ngwaahịa