The fastener body 12 can be made out of {HEAD ~ any suitable material} such as {TAIL ~ hardened aluminum} or galvanized steel 
such as
The fastener body 12 can be made out of { HEAD ~ any suitable material } such as { TAIL ~ hardened aluminum } or galvanized steel
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH