Alpen cobalt forte drill bit. -Diameter: 2.0mm. -Self-centering, thanks to its specially sharpened tip. -Ultra resistant, due to an edge with special nitro-oxide treatment. -Great chip evacuation capacity due to its deeper spiral. -Faster due to the special sharpening of the slot and its tip. -Valid for great drilling depths. -Suitable for construction steels, alloy steels, stainless steel, copper, brass, aluminum and plastic. -Made with cobalt, which is a very hard material, which provides great resistance to breakage and high temperatures.