This invention relates to threaded fasteners of the type adapted to permit rapid assembly of two threaded members by relative axial movement therebetween, but in which {HEAD ~ tightening} of the threaded members and separation thereof requires {TAIL ~ the application} of relative rotation between the members 
This invention relates to threaded fasteners of the type adapted to permit rapid assembly of two threaded members by relative axial movement therebetween , but in which { HEAD ~ tightening } of the threaded members and separation thereof requires { TAIL ~ the application } of relative rotation between the members
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 OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH