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Rc drilling is over five times faster than core drilling, particularly in hard rock and almost half the cost of traditional core drilling. rc hammers are pneumatically driven by compressors and the principal operation of a reverse circulation hammer and bits is the same as a standard dth hammer.
Rc range. the halco reverse circulation (rc) product range has been designed to give maximum performance in exploration and grade control applications. unlike standard dth hammers, rc hammers return the rock cuttings back to the surface through the internals of the hammer …
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