A fastener, such as a nail or staple, includes a fastener body having {TAIL ~ an impact surface} and {HEAD ~ a plug} of filler material joined to the impact surface 
A fastener , such as a nail or staple , includes a fastener body having { TAIL ~ an impact surface } and { HEAD ~ a plug } of filler material joined to the impact surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH