Patent ID: 6024520
Filing Date: 2000-02-15
Classification: B27G,Y10T

Abstract:
An auger bit for forming bores having a circular cross section in a workpiece and for use with a drill, comprising:an elongate auger portion having an elongate shaft with an elongate helical land formed therein defining a flute between adjacent turns on the elongate helical land and having a central longitudinal axis, a leading edge and a following portion;a shank integrally connected to one end of the elongate auger portion and adapted to engage the drill;a lead screw integrally connected to the other end of the elongate auger portion for engaging the workpiece;a chisel blade extending outwardly from the leading edge of the elongate helical land for chipping material from the workpiece; anda cutting edge extending longitudinally from the following portion of the elongate helical land proximate to the leading edge.