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API uch konusli bit IADC537 11 5/8" (295 mm) qattiq quduq uchun
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Aylanadigan uch konusli bit IADC537 12 1/4" (311 mm)
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Metall yopiq sharqiy tog 'jinslash burg'ulash bitlari iADC537 13 "(346mm)
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API Tricone Murlab bittasi IADC537 14 3/4 '(374mm) qattiq tog' jinsi uchun
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Tricone rocker Bat-burg'ulash IADC537 15.5 "(393,7mm)
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TCI burg'ulash uchi IADC537 16 "(406,4 mm)
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Tungram Carbide Tricone bitlarini IADC537 17.5 "(444.5mm)
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API & ISO TRICONE ROLLER CROAD537 26) (660.4mm)