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