Carbide-tipped with center point, 2 main cutting edges and 2 spurs. Perfect CNC diamond grinding. Professional service life thanks to high-quality carbide tipping and special serrated
serrated edge (from Ø 25 mm) on main cutting edges. Ø 8 - 12 mm have a solid carbide head and a spiral.
From Ø 50 mm with hexagonal shank for better power transmission. Clean, tear-free drill holes in all hardwoods, coated and KS-coated chipboard
and many plastics such as acrylic Plexiglas, Corian®, GRP, HPL coating, polycarbonate, PVC and Trespa®. Recommended for stationary use only. Very low
feed forces with professional service life even in hard solid plastics and hardwoods. For freehand operation we recommend HM-Bormax³ series 1663.