Fein HSS Nova 50 core drill bits with QuickIN holders, designed for demanding drilling applications in S235 structural steel and aluminium. Manufactured from HSS steel for high shock and impact resistance, with 64 HRC cutting edges and optimised cutting geometry for fast, clean and dimensionally accurate holes. The cutters can be resharpened multiple times to extend service life and reduce long-term operating costs. Available in selected diameters from 12 mm to 50 mm, all with a 50 mm cutting depth.