The Irwin HSS Pro Drill Bit in 12.5mm diameter comes in a bulk pack of 5, offering excellent value for professionals who regularly work with this larger heavy-duty size. The 12.5mm diameter is particularly useful for structural engineering, heavy industrial fabrication, and creating holes for large anchors and through-bolts in demanding construction and metalworking applications. Manufactured from high-quality HSS steel, this drill bit delivers consistent performance throughout the most challenging 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, maintaining efficient cutting performance during extended use across various robust materials. Features and Benefits: • 12.5mm diameter ideal for structural engineering and heavy fabrication • Bulk pack of 5 for cost-effective workshop supply • High-quality HSS steel for long-lasting performance • Precision ground cutting edges deliver fast drilling and perfect finishing • Ground flute provides maximum accuracy and efficient chip removal • Universal 118° point shape for drilling diverse materials Specifications: Tip Diameter (mm): 12.5 Working Length (mm): 101 Overall Length (mm): 151 Pack Qty.: 5 Drillbit diameter: 12.5mm Total length: 151mm