The cap and nut inset are welded together at the contact between the circumferential edge of the nut insert and {HEAD ~ the free edge} of {TAIL ~ the cap} 
of
The cap and nut inset are welded together at the contact between the circumferential edge of the nut insert and { HEAD ~ the free edge } of { TAIL ~ the cap }
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