BITS FOR TUNNELLING AND CONSTRUCTION
RR Drifter Bits are threaded-top-hammer bits for tunneling drifting and construction applications.
These drifter bits are extensively used in dam construction, grouting, bench drilling, drifting, tunneling and underground mining operations in India and Abroad. Products range includes sizes from 1" to 5" for soft to very hard formations. These bits are also available in knock-of type designs.
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