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API burg'ulash bts zavodi IADC126 4 3/4 dyuym (120 mm)
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Quduq burg'ulash uchun API uch konusli bitlar IADC126 4 5/8 dyuym (118 mm)
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API tomonidan qattiq toshlar uchun moslashtirilgan IADC126 5 1/4 dyuym (133 mm) burg'ulash uchlari
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IADC126 omborida quduq burg'ulash uchun trikonli uchlar 6 dyuym (152 mm)
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API Tricone burg'ulash uchi IADC126 9.5 dyuym (241 mm) sotiladi
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Quduq burg'ulash uchun IADC127 3 7/8″ dyuym (98.4 mm)
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Trikone bitlari ishlab chiqaruvchisi IADC127 4 9/16 dyuym (115.9 mm)
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API trikonli burg'ulash IADC127 4 5/8 dyuym (118 mm) sotiladi
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Qattiq quduqlarni burg'ilash uchun IADC127 zavodining 5 7/8 dyuymli (149 mm) trikonli bitlari
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IADC127 zavodining muhrlangan bitlari 6 dyuym (152 mm)
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IADC127 7 7/8 dyuymli (200 mm) burg'ulash uchlari omborda mavjud
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Chegirmali trikonli uchlar IADC127 9 5/8” (244.5 mm)