Fein HSS Nova 25 core drill bits with QuickIN holders, designed for assembly work, steel construction and demanding drilling in S235 structural steel and aluminium. Manufactured from HSS steel for high shock and impact resistance, with 64 HRC cutting edges and optimised 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 diameters from 12 mm to 50 mm, all with a 25 mm cutting depth.