Irwin HSS Pro Drill Bits

The Irwin HSS Pro Drill Bit in 9mm diameter is supplied in a bulk pack of 5, making it a practical option for workshops and construction sites requiring this larger professional size. The 9mm diameter is commonly used for heavy metalwork, structural fabrication, and creating holes for large fixings and through-bolts in various industrial applications. Constructed from high-quality HSS steel, this drill bit provides reliable performance across a wide range of demanding applications. The precision ground cutting edges enable fast drilling whilst ensuring perfect finishing, and the ground flute design delivers maximum accuracy combined with efficient chip removal throughout extended drilling operations.