In another embodiment, the fastener has a telescoping structure in which an internally threaded torque element is slidably received within {HEAD ~ a central passage} of {TAIL ~ the head portion} 
of
In another embodiment , the fastener has a telescoping structure in which an internally threaded torque element is slidably received within { HEAD ~ a central passage } of { TAIL ~ the head portion }
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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL