Exceptionally suitable for work on wear-resistant coatings and for hard facings made of tungsten carbide, chromium carbide, titanium carbide, etc. Particularly recommended for work on materials used for aircraft engine construction, e.g. Hastelloy, Inconel and titanium/titanium alloys. Also highly suitable for work on extremely hard materials such as tungsten carbide, glass, ceramics, enamel, stone and GRP/CRP