Carbide-tipped Bormax® with center point, carbide main cutting edge and carbide-tipped, serrated peripheral cutting edge, hexagonal shank for better power transmission, freehand drilling in really all wood materials such as: European and exotic hardwood (including bongossi), MDF, coated and uncoated chipboard, as well as many plastics such as acrylic Plexiglas, Corian®, GRP, HPL coating, polycarbonate, PVC and Trespa®, the first truly universal carbide-tipped drill bit for freehand use and, of course, stationary use, ideally suited for deep-hole drilling in conjunction with the 1639 extensions