National Driller
Rockmore International ROK 550T
July 28, 2017
The New 5-inch Class TUBELESS DTH Hammer
April 2, 2018

Rockmore International’s latest addition to its T Series DTH hammer line is the ROK 550T

Aggregates Business

March/April 2018. From Aggregates Business.

Rockmore International is introducing the newest addition to its T Series DTH hammer line, the ROK 550T, to the European market.  It is a 127mm class hammer model which uses the industry standard QL5/QL50 bit shank, but with the blow tube/foot valve removed.

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