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Tricone bit ishlab chiqaruvchisi IADC127 4 9/16 dyuym (115,9 mm)
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Qattiq quduqni burg'ulash uchun tricone bitlari zavodi IADC127 5 7/8 dyuym (149 mm)
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Butun matkap uchlari zavodi IADC127 6 1/4 dyuym (158,8 mm)
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Tricone bit yetkazib beruvchi IADC127 7,5 dyuym (190 mm)
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Stokda burg'ulash uchlari IADC127 7 7/8 dyuym (200 mm)
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API burg'ulash uchlari IADC127 8 1/2 dyuym (215 mm) qattiq tosh uchun
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Stokda trikon bitlari IADC127 8 3/4 dyuym (222 mm)
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API tegirmon tish bitlari zaxirada IADC127 9,5 dyuym (241 mm)
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Chegirmali tricone bitlari IADC127 9 5/8 ” (244,5 mm)
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IADC127 9 7/8 ”(250,8 mm) dastgohi uchun aylanuvchi bosh
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3 konus Rolikli IADC127 11 5/8 "(295mm)
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IADC127 13 5/8 "(346mm)