This Bosch 5.5mm HSS-G drill bit is suitable for drilling alloyed and non-alloyed steel up to a tensile strength of 900 N/mm² cast steel cast iron malleable cast iron sintered iron non-ferrous metals and hard plastics. This precision-ground drill bit enables up to 40% faster drilling and up to 50% lower feed pressure than a standard-ground HSS drill bit with a chisel edge. It also features a self-centering split point tip which means that you do not need to pre-punch or pilot drill up to 10mm in diameter.
