Quote Originally Posted by stovens View Post
I wish you could find nails like that for construction. They'd never come out!
You can.
They're the type driven in with a nail gun, and have a thin layer of glue over them to hold them together in a 'belt' or 'strip'.
When the individual nail is driven in the friction created melts the glue, which then re-sets.
So they're actually glued in.