Premium version, left hand cutting, fully ground quality with two main cutting edges and two taper taps. Internally ground special spiral for very good chip removal. For exact drilling in all, particularly hard materials. Also suitable for some plastics, like acrylic glass, Corian®, GFRP, HPL coating, polycarbonate, PVC and Trespa® board. Shank constructed for drill chuck Ø 13 mm. Left hand cut. Premium quality at a fair price. Specially designed chip flutes guarantee a good chip removal. HSS-G. 3000 - 8000 rpm e.g. Ø 5 mm 4500 rpm in European hard wood.