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New DTH hammer from Rockmore

May 14, 2012  By administrator

rok_500dh_image-web May 14, 2012 – Rockmore International has released the first DTH hammer in its emerging Deep Hole series, the ROK 500DH.

As a five-inch inch class hammer, the 500DH is targeted to drill 140- to 152-millimetre (5.5- to six-inch) diameter holes. Designed to increase drilling effectiveness and efficiency in deep hole applications, the ROK 500DH incorporates engineering advancements for drilling in DTH applications such as geothermal, exploration, water-well, and in other mining and construction sectors.

The hammer is rated for use with large compressors: 24.1 Bar (350 PSI) at 25.2 m3/min (890 SCFM), but can accept greater air volumes and pressures from larger air compressor packages. The upper and lower hammer air chambers of the 500DH have been modified accordingly in order to achieve optimum drilling efficiency. Visit for more information.


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