It comprises: a fastener body extending from a head portion to a forward end in the preselected direction, the head portion defining an axially facing ring gear for {HEAD ~ engagement} with {TAIL ~ the drive gear} 
with
It comprises : a fastener body extending from a head portion to a forward end in the preselected direction , the head portion defining an axially facing ring gear for { HEAD ~ engagement } with { TAIL ~ the drive gear }
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 OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL