The Irwin IRW10502751 Wood Auger Drill Bit is designed for efficient and clean drilling in wood. This robust bit is ideal for various woodworking projects requiring precise holes. It features high-quality construction for durability and a long life, designed for clean, precise drilling in wood. Suitable for a wide range of woodworking applications. Specifications: Brand: IRWIN®, MPN: 10502751, Drill Bit Diameter: 13.0mm, Total Length: 191mm, Working Length: 114mm. The Irwin auger wood drill bit has been designed for all general wood boring and offers a superior performance. The single spur cutting edge scribes the circumference of the hole for a smoother quality finish. The hexagon shank prevents slipping in a drill chuck or bit extension. The solid centre provides extra rigidity whilst boring, the self-feeding screw point provides faster boring in both soft and hard woods and the fully hardened body from tip to shank provides extra durability.