Interesting looking screw, anyone know what kind this is?

[coilcrazy]

Hello everyone,

I dug this up out of a dry creek bed. Looks to be a screw of some sort, but too large to be used on home building. Anyone have any ideas as to what this was used for, has a little weight to it? Farm equipment maybe? I appreciate any ideas. Thank you

 

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[Rawhide]

Goes to a cap, cant remember what type.

 

[hillbillyinca]

It's a security screw so it went to something they did not want you to get to very easy

 

[bigfoot1]

Idle adjusting screw from early farm equipment.My best guess.

 

[nhbenz]

I agree with idle mixture screw.

 

[creskol]

I agree with idle mixture screw.

Me too .. needle valve off of a carburetor. Would have had a spring over the non-threaded area.

 

[Bigcypresshunter]

Looks like gas/air mixture needle but ONLY if its brass.

It looks kinda like the same type of head where you check the oil on a B&S engine.

 

[coilcrazy]

Great suggestions! Thank you! I'll clean it up a bit and see if it's brass.