The Irwin HSS Pro Drill Bit in 8.5mm diameter comes in a bulk pack of 5, offering excellent value for trade professionals working with this larger mid-range size. The 8.5mm diameter is particularly useful for heavy-duty construction, structural metalwork, and creating clearance holes for large fixings across steel, timber, and other materials. Featuring high-quality HSS steel construction, this drill bit is designed to withstand regular professional use in demanding environments. The precision ground cutting edges deliver fast drilling with perfect finishing, whilst the ground flute design ensures maximum accuracy and promotes fast chip removal, maintaining clean cutting performance. Features and Benefits: • 8.5mm diameter ideal for heavy-duty construction and structural work • Bulk pack of 5 for economical workshop stocking • High-quality HSS steel for long-lasting durability • Precision ground cutting edges ensure fast drilling and perfect finishing • Ground flute provides maximum accuracy and fast chip removal • Universal 118° point shape for versatile material drilling Specifications: Tip Diameter (mm): 8.5 Working Length (mm): 75 Overall Length (mm): 117 Pack Qty.: 5 Drillbit diameter: 8.5mm Total length: 117mm