Irwin HSS Pro Drill Bits

The Irwin HSS Pro Drill Bit in 4.5mm diameter comes in a bulk pack of 10, offering practical value for workshops requiring regular supplies of this versatile mid-range size. The 4.5mm diameter is particularly useful for creating clearance holes for standard fixings and general metalwork applications across various industries. Constructed 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 efficient chip removal, maintaining clean cutting throughout extended use.