✅ SOLVED Iron disc with hole.

[JohnDee1]

Hey everyone I dug this on what I consider to be a fairly old site. I have no idea what it is and I would appreciate suggestions!

 

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[Crumb]

Maybe an old type of spacer or washer maybe,Is it concave on one side?

 

[Shishi]

I've found something like that similar from old Erie Canal lock sites. The disks have a slight bulk towards the middle and were used as washers. Don't know if that's what you have but here's a link to a picture of what I was referring too.

https://creativemarket.com/ClubhouseArts/432405-Iron-Bolt-and-Washer-on-Old-Wood

The pic is of a more detailed washer but same idea.

 

[Shishi]

I've found something like that similar from old Erie canal sites. They have the same bulk toward the middle on one side and were used as washers. I don't know if that's what you have but here's a pic of what I'm referring to.
View attachment 1832557
The pic is of a more detailed washer but same idea.

 

[JohnDee1]

It is concave, and does not sit evenly.

 

[ticndig]

It's a convex washer , they can be found on most all cars and other machines as well.

 

[Tony in SC]

The larger ones were called bolster washers, used on wagons, saw mills, grain mills, etc. Any where wood was held together with rods or bolts.

 

[JohnDee1]

Thanks for the responses ya'll. Ya'll nailed it with the identification. The variety of iron implements and their functions you find while detecting never ceases to amaze me. Thanks!