Drill Bits
Drill Bit Cost per Metre Calculator
Compare DTH, top hammer and tricone bits on cost per metre drilled, counting regrinds and rig time, and see which bit is cheaper in your rock.
November 8, 2026
Guides to DTH (down-the-hole) hammers, button bits and drill pipes: sizing, maintenance, parts and costs for mining, quarrying and water wells.
Compare DTH, top hammer and tricone bits on cost per metre drilled, counting regrinds and rig time, and see which bit is cheaper in your rock.
South Africa DTH drilling tools explained: hammers, button bits and pipes, how to choose them for hard rock, and why your compressor matters.
Top hammer vs DTH drilling compared for South African quarries, mines and boreholes: hole size, depth, cost per metre and a simple rule of thumb.
South Africa DTH hammer guide: low, medium and high pressure types, hole size matching, and 5 maintenance habits that stop costly hammer failures.