Found at a colonial site, but it may not be that old. Part of an iron hinge?

[FreeBirdTim]

This iron relic might be some sort of hinge, but I'm not sure how it was used. It 4 inches long and has a hole in one end and threads on the other end. There's wear in the hole, so that's why I'm thinking it's part of a hinge. Any guesses as to what it was used for and how old would be appreciated.

 

[SkaBa]

It appears to be a gate hing, either for a man gate or a road gate. The threaded end went through a pipe or wood. There would be two of them - one near the bottom of the pipe and one near the height of the gate. The gate would have have two 'pins' that would slide into the holes.