Our metallurgical history is a little bit like a game of Rock ... there’s something even better for the job: tungsten, or more specifically tungsten carbide. We produced almost 120,000 tonnes ...

it’s used in accessories as a drill bit tip or on the cutting edge or a blade. Primary attributes of tungsten carbide are robustness and life in harsh applications like drilling in hard aggregate.

Read more: 8 Hammer Types And When To Use Them Although some router bits are made of High-Speed Steel (HSS), most are either Tungsten Carbide Tipped (TCT) or solid carbide. To sharpen them ...