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IADC537 9 5/8″(244.5mm) chuqur qoyatosh quduqlarini burg'ilash uchun bitlarning API yetkazib beruvchisi
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Qattiq tosh quduqlarini burg'ilash uchun API TCI tugmachali uchi IADC537 9 7/8″(250 mm)
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Tricone toshli bit IADC417 8 1/2″(215.9mm)
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TCI trikon bitining API zavodi IADC617 5 5/8″ (142.9 mm)
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TCI trikonli bit IADC417 17.5″(444.5mm)
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API quduq burg'ulash uchi IADC417 qattiq jinslar uchun 12 1/4″(311 mm)
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API burg'ulash uchun IADC437 8.5 dyuymli tosh rolikli konusli bitlar fabrikasi
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Quduq burg'ulash uchun API trikonli burg'ulash uchi IADC437 6″(152 mm)
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TCI trikonli bit IADC447 8 1/2 dyuym (215.9 mm)
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IADC447 aylanuvchi burg'ulash uchi 6,5 dyuym (165 mm)
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Uch konusli tosh bit IADC517 10 5/8″ (269 mm)
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Qattiq tosh uchun IADC517 9 7/8″ (250 mm) aylanuvchi trikonli bitlar