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