QUARRY ROCK DRILLS - ProDrill - Rock drilling tools,DTH ...
Drilling speed: 3-5min/m for hard rock, 1min can drill 1m depth for soft rock. Excavator mounted rock drill can use the same type of hydraulic oil pipe line as hydraulic breaker. It can replace traditional air drill and the air pick, have the advantages of high adaptability, Anti-jamming design, dust collect system, can punch over-sized hole.
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