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