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API aylanadigan rolikli matkap uchi IADC517 4,5 dyuym (114 mm) stokda
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Geotermal quduq tosh burg'ulash uchun tugma biti IADC517 118 mm.
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IADC517 4 3/4" (120 mm) aylanadigan rolikli bitning API zavodi
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API aylanadigan tugma muhrlangan bitlari IADC517 5 1/4" (133 mm) stokda
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Volfram karbidli qo'shimchali burg'ulash uchi IADC517 5 7/8" (149 mm)
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API quduq burg'ulash trikon biti IADC517 6" (152,4 mm) sotiladi
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Trikon rolikli matkap uchlari IADC517 6 1/4" (159 mm)
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Quduqni burg'ulash uchun TCI muhrlangan tosh tugma bitlari IADC517 6 1/2" (165 mm)
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TCI tricon bit IADC517 7 1/2 dyuym (190 mm)
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Chuqur quduqli Tricone Bit IADC517 7 7/8 dyuym (200 mm)
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API Tricone Bit IADC517 8,5 dyuym (215,90 mm)
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API Tricone burg'ulash biti IADC517 8 3/4 dyuym (222 mm) stokda