Irwin IRW10502770 Wood Auger Drill Bit Long Series 22 x 400mm The Irwin long auger wood drill bits have been designed for all general wood boring and offer a superior performance. The single sPurdy 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. The Irwin IRW10502770 Auger bit - long series has the following dimensions: Drillbit diameter: 22.0mm Total length: 400mm Working Length: 323mm
