Suppliers Expand DTH Bit Horizons
March 1, 2014
A new 50.8mm class DTH hammer from Rockmore International
June 7, 2014Upping the Pressure
March 2014. From GeoDrilling International.
Rockmore International, a manufacturer of rock-drilling tools for DTH and top-hammer drill rigs, introduced the ROK 250 – a new 2in-class DTH hammer – at CONEXPO in March 2014.
Rockmore announced that the new addition to its high-performance DTH hammer line is considered to be the first 2in class DTH hammer to operate under air pressures up to 350psi (24bar).