Examples of brand names would be Helicoil™ or Keensert™. {HEAD ~ Each} of these inserts is threaded into {TAIL ~ the holes} 50 
is threaded into
Examples of brand names would be Helicoil ™ or Keensert ™ . { HEAD ~ Each } of these inserts is threaded into { TAIL ~ the holes } 50
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH