Hammer DHD340/QL40 COP44
DHD340 COP44 Down-the-hole hammer provides high penetration rates, excellent reliability and a lower overall cost per meter drilled relative to competitors. Designed primarily for production drilling. Thanks to the weighted piston and precisely controlled air supply, the hammer achieves excellent penetration rates. Hammer DHD340 (COP 44). Drilling diameter 105-130mm. Shank of bit DHD340/QL40. Connecting thread API 2 3/8.
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