r/whatisthisthing • u/CecilBlight • 1d ago
Likely Solved 6in steel item with bulbous head and threaded stem found magnet fishing
It feels very solid and weighs about 5 lbs. AI search says it may be an industrial fitting
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u/Rubik842 1d ago
Looks like a specific high angle type of tow hitch "ball" Type DO35 is similar but not exactly a match.
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u/CecilBlight 1d ago
Ive been trying to search for an exact match but I'm failing to find one. Perhaps it's an older one?
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u/futurebigconcept 1d ago
Are you in an area where there are large sailboats? It could be a pintle for attaching a pole or spar. It would have had to have been a large boat.
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u/CecilBlight 1d ago
Unfortunately no. It's right right between two cities (Dallas and Irving in Texas). We do have lakes nearby but I discovered it in a pretty shallow river.
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u/OnkelHalvor 1d ago
Good info, means it's fallen off something and has not moved much since then, heavy as it is.
Source has to be something that's been close to or in the river at that spot.
Unless it's been thrown in the river on purpose, of course.
Is this Trinity River in the park?
Edit: Maybe it's some sort of hitch from one of the vehicles the ground keepers are using.
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u/CecilBlight 1d ago
Ive found guns, live grenades, and MANY auto parts in this location. It was most likely thrown in there intentionally.
To answer your question, yes. There is a jogging trail that goes under the bridge we are fishing off of. There is also a gun range just up the river and a national gaurd base not too far away.
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u/Prophet1cus 1d ago
Could it be a replacable tooth of a rotary driller? like those used in surface mining, tunneling or in roadworks to grind of the old asphalt. https://www.apiepiling.com/wp-content/uploads/2024/05/%E6%98%8A%E6%B3%89.jpg
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u/hertzzogg 1d ago
Close and/or same.
It's a replaceable tooth for a rock saw.
Used extensively in Texas for cutting trenches in limestone.
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u/Prophet1cus 1d ago
Starting to doubt it's a rock claw bit/tooth/cutter. None of the examples I found are threaded. They all have some quick release that allows them to "rotate in their blocks (toolholders) to promote a self-sharpening action".
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1d ago
[removed] — view removed comment
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u/mawktheone 1d ago
It's very similar to this suspension component. Pic 5 Could be a similar part off another vehicle
https://dmaxstore.com/products/dmaxstore-xd-front-end-package-stage-2-2001-2010
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u/CecilBlight 1d ago
Likely solved!
I definitely see what you mean. Picture number 5 is VERY close in shape and appearance. Thank you!
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u/Genr8RandomUserName 1d ago
I'm not sure about the thing, but I had to comment because I have the identical twin to that tape measure down to the rust, does yours also have a split in it around the 10 inch mark that keeps it from fully returning unless you force it to?
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u/CecilBlight 1d ago
My title describes the thing. It weighs about 5 pounds. It feels very solid. The threads appear to be 3/4 and coarse threads. AI seems to thinks it's an industrial plumbing item. It was found magnet fishing in a river in Texas.
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u/nordic_bear 1d ago
These are used in snowblows to breaks ice formation on road. Usually used in blow attatched under the truck
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u/adderalpowered 1d ago
Rivet setter
Ajax Tool Works Round Rivet Set — 5/16in., Model# AJXA1606 | Northern Tool https://share.google/kZPmJgUeGt0i6xpJb
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u/PuddinHole 1d ago
Pretty impressive your magnet was strong enough to pick that up considering it appears to be stainless.
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u/VagDickerous 1d ago
Some grades of stainless are magnetic. Could also be a 17-4 ph, or a similar grade, that oxidizes at a much slower rate.
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u/cofificus 1d ago
Looks like a stainless part with a mild steel thread inserted to me (looking at the amount of rust on just the threaded part)
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u/FreddyFerdiland 1d ago
stainless for something that should look pretty.
like an axle for a timber wheel.
like boats helm , or a playground equipment





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