The Irwin long auger wood drill bits have been designed for all general wood boring and offer 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
