Bosch 2608596818 HSS-G Metal Drill Bits Long Series 4.5mm (Pack Of 5)
Featuring a self-centring split point drill tip means there is no need to pre-punch or pilot drill up to 10mm diameter. The 2608596827 is suitable for use on alloyed and non-alloyed steel, cast iron, cast steel, sintered iron, malleable cast iron, non-ferrous metals, and hard plastics. Has an 8mm diameter and is sold as a pack of 5.