Premium quality, long version, fully ground quality with 2 main cutting edges and 2 spurs. Internally ground special spiral for very good chip removal. For exact drilling in all, particularly hard wood materials. Also suitable for some plastics, such as acrylic glass, Corian®®, GFRP, HPL coating, polycarbonate, PVC and Trespa® board. Specially designed chip fl utes guarantee a good chip removal, you receive best results when drilling deep holes. Please do not use drills with a smaller Ø than 8 mm in the power drill, it might break. Optionally put the brad point on the surface before starting the machine.