In {TAIL ~ addition}, {HEAD ~ a plurality} of dowel pins 55 extend through the shoulders 53 and into the end of rolling cutter shell 48 
In { TAIL ~ addition } , { HEAD ~ a plurality } of dowel pins 55 extend through the shoulders 53 and into the end of rolling cutter shell 48
REL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH