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Yuqori tezlikli volfram karbidli matkap uchlari IADC537 5 7/8 dyuym (149 mm)
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Tricone tosh bitlari IADC537 6 dyuym (152,4 mm)
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Aylanadigan tricon bit IADC537 6 1/4 dyuym (159 mm)
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TCI tricone rock bitlari IADC537 6 3/4" (171 mm)
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API tugma biti IADC537 6,5 dyuym (165 mm) chegirmali narx bilan
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TCI tosh biti IADC537 7 1/2 ”(190 mm)
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API zavod tricon biti IADC537 7 5/8 ”(193,7 mm)
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TCI Tricone bitlari iadc537 7 7/8 dyuym (200 mm)
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Volfram Carbide Inatrioncc537 8 1 1/2 "(215,9mm)
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API tugmachali tosh burg'ulash uchi IADC537 8 3/4" (222,2 mm) chegirmali narxda
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Qattiq toshli neft qudug'i uchun TCI matkap uchi IADC537 9 1/2" (241 mm)
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API Rockzukli burg'ulash Bits IADC537 10 5 5/8 dyuym (269mm)