Shaft sinking original-equipment manufacturer Herrenknecht is engaged in numerous feasibility studies with mining contractors in South Africa and other African countries, such as Zambia, for the ...

Boring is the method used to enlarge a hole that has already been cast or drilled via a single-point cutting tool or a boring head that contains multiple such tools. The hole created by a boring ...

Raiseboring and drilling services group Master Drilling is nearing completion of a 220 m hole with a diameter of 4.5 m in a horizontal raisebore (HRB) trial project at Southern Africa-focused miner ...