General description The Irwin IRW10502785 Auger bit - long series is designed for general wood boring, providing superior performance. It features a single spur cutting edge that scribes the circumference of the hole for a smoother finish. The hexagon shank prevents slipping in a drill chuck or bit extension, ensuring stability during use. Technical specifications Drillbit diameter: 35.0mm Total length: 400mm Working length: 323mm Usage Ideal for boring in both soft and hard woods. Self-feeding screw point allows for faster boring. Solid center provides extra rigidity while boring.