VARIO spiral drill bit set
4-piece VARIO spiral drill bit set with sizes 6.8 mm, 8.5 mm, 10.2 mm and 12 mm. Long service life, thanks to high material strength (64 HRC), special cutting geometries suitable for impact screwdrivers and TiAlN (titanium-aluminium-nitride) coating. The accessories are low-wear and low-friction as well as heat-resistant up to 800 °C and can therefore be used with high turning and impact frequencies in steel up to 900 N/mm2.
Optimally suitable for the following materials: unalloyed and alloyed steels up to 900 N/mm², aluminium, brass.