Drilling Efficiency
June 28, 2017

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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