In {TAIL ~ yet another embodiment}, the reamer mechanism and the cold work mechanism are combined with {HEAD ~ the drill member}, such that a hole can be drilled, reamed, and cold worked with a single tool in a single step 
In { TAIL ~ yet another embodiment } , the reamer mechanism and the cold work mechanism are combined with { HEAD ~ the drill member } , such that a hole can be drilled , reamed , and cold worked with a single tool in a single step
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH