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Rockmore International ROK 550T

National Driller

October 24, 2016. From National Driller magazine.

Rockmore International introduces the second model of 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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