The chuck is mounted within a carrier having {TAIL ~ a bore} for {HEAD ~ a shaft portion} of the chuck 
The chuck is mounted within a carrier having { TAIL ~ a bore } for { HEAD ~ a shaft portion } of the chuck
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH