For drilling carbon and alloy steel, cast iron, non-ferrous metal and plastics. **Features** *High quality M2 grade HSS steel|*Fully ground flute|*Dimensionally precise|*Split point tip eradicates the need to pre-drill/centre punch. Prevents 'walking' and enables faster penetration.|*12.5mm diameter shank with three flats to prevent bit slipping in chuck|*Friction reducing Titanium Nitride (TiN) coating.|*High performance split point tip.