Tungsten carbide sits at the hard end of the hardness scale — which is exactly why it’s used in high-wear drilling components where edge retention and abrasion resistance are non-negotiable. When tungsten input costs move, drilling tool pricing moves with it.

Earlier this year, Harlen Supplies completed a highly successful visit to Zambia, our first on-the-ground engagement outside of South Africa. You only really understand a site’s constraints when you’ve walked it: access, cycle times, safety controls, and the practical realities of keeping production moving.