Drilling Efficiency
June 28, 2017
Aggregates Business
Rockmore International’s latest addition to its T Series DTH hammer line is the ROK 550T
March 15, 2018

Rockmore International ROK 550T

National Driller

July 2017. From National Driller.

Rockmore International introduces the second model in the new T-Series DTH hammer line — the ROK 550T.  The new T-Series design hammers utilize drill bits with standard shank connections without the plastic blow tubes/foot valves.  The ROK 550T is a 5-inch class model and a “tubeless” hammer that accepts the industry standard bit shank model QL50, but with the blow tube/foot valve removed.

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