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