Irwin HSS Pro Drill Bits

The Irwin HSS Pro Drill Bit in 4.5mm diameter measuring 4.5 x 80mm is supplied individually in a PVC tube, making it ideal for professionals who need single replacement bits or occasional mid-range drilling tasks. The 4.5mm diameter is particularly useful for creating clearance holes for standard fixings and general metalwork applications across various industries. Manufactured to DIN 338 standards from high-quality HSS steel, this drill bit delivers reliable performance across demanding applications. The precision ground cutting edges provide fast drilling with perfect finishing, whilst the ground flute design ensures maximum accuracy and promotes fast chip removal. The universal 118° point shape makes it suitable for drilling alloyed and unalloyed steel, non-ferrous metals, cast iron, and plastics.