The tooth of this invention includes a beveled surface 37a and a hole 37c for mounting the tooth at a flat surface 37b which is {HEAD ~ the backside} of {TAIL ~ the tooth} as it is in cutting position 
The tooth of this invention includes a beveled surface 37a and a hole 37c for mounting the tooth at a flat surface 37b which is { HEAD ~ the backside } of { TAIL ~ the tooth } as it is in cutting position
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH