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Bulroc UK Ltd has been involved in the design and manufacture of Percussive Down Hole Rock Drilling equipment for almost 40 years. The first Bulroc Down hole Hammer was introduced in 1976 and with its success, other sizes and models were gradually developed so that within the space of a few years, Bulroc were producing a range of valved and valveless hammers for drilling hole sizes ranging from 60mm through to 250mm diameter.
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http://www.bulroc.com
