✅ SOLVED Anybody know what these things are?

[creskol]

Trying to help identify these for somebody, but I don't have a clue!

Their info on them is:

We have discovered several of these on our property. The
most recent ones along our gravel driveway half buried. We live near Franklin/Triune TN.
They are approximately 3 3/8 inches long. The base is approximately 3/4 inches wide.
They are very heavy. Seem to be made of iron. The center sharpened
plug at the top looks to be lead but not sure.
The entire item is magnetic. Would love to know what they are.

 

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[osage express]

I think they call those rock saw teeth

 

[sawmill man]

I think they call those rock saw teeth

This or drill bit teeth , carbide tipped , that adds the added weight.

 

[sawmill man]

bullet tooth.

 

[DCMatt]

I think they call those rock saw teeth

AKA trencher teeth.

 

[creskol]

Thanks Guys! That was a quick ID! I appreciate your help!