{TAIL ~ A metallic bolt} is fixed to {HEAD ~ the two flanges} and extends generally perpendicularly therebetween 
{ TAIL ~ A metallic bolt } is fixed to { HEAD ~ the two flanges } and extends generally perpendicularly therebetween
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH