Alpen hss super drill bit. - Diameter: 3.0 mm. - Precision grinding, minimum tolerances, maximum concentric precision. - Accurate milling due to optimized sharpening of the tip. - Made of highest quality steel. - Breakage resistant, due to controlled heat treatment. - Suitable for construction steel, easy-to-cut steels, non-alloy steels, copper, brass, aluminum and plastic. - Also available in 1/4” hexagonal anchor. |