Principle features of the invention include {HEAD ~ utilization} of the tooth with a cutter assembly having an auger cutter with a central tubular shaft and {TAIL ~ auger flights} extending there around 
Principle features of the invention include { HEAD ~ utilization } of the tooth with a cutter assembly having an auger cutter with a central tubular shaft and { TAIL ~ auger flights } extending there around
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH