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DTH hammer suitable for deep-hole wells and geothermal

Rockmore International has added the ROK 550T to its T Series down-the-hole (DTH) hammer line. The tubeless Rockmore T Series DTH hammers use drill bits with industry-standard shank connections without the imbedded plastic blow tube/foot valve.

The ROK 550T is a 127 mm (5 in.) class hammer model that uses the industry-standard QL5/QL50 bit shank, but with the blow tube and foot valve removed.

With high-performance drilling characteristics rated for drilling 140 to 152 mm (5.5 to 6 in.) diameter holes, the hammer is suitable for blast-hole mining and construction applications and for drilling of deep-hole water wells and geothermal systems.

The ROK 550T uses Rockmore’s patented SonicFlow technology. SonicFlow helps increase airflow by simplifying and streamlining the air paths to minimize back flow and turbulence, thus delivering more energy to the piston.

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