Geomash - drilling equipment from Russia
Complex of hollow stem augers KShR-320. Punchdown core barrel. Core barrel with flush joint 127*5. Drill hard-alloy crown SM-5 D=93. Casing pipe with flush joint 127*5. Three- blade drilling bit DL-146. Drill pipe P 43x4,5 N l=3200 mm. Adapter sub M-53/66. Rolling drilling bit D= 120,6 mm.
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