Guess This Part, Win a Tool

It's a screw-on weight for weighing items on a scale.

Looks like the locking nut for a circular saw.

Looks like it's part of a depth guage for a drill press.

It looks like an arbor nut

A course glass cutter blade

It's obviously a screw on paint shaker weight.

It's a cone for a bicycle wheel.

Screw on washer.

Its a locking nut for a grinder.

Toilet tank O-Ring seal.

It looks like some sort of bearing nut.

It's the jesus nut off a flying saucer.

Its the wheel off of a cresent wrench

A grinding wheel from a Tunnel boring Machine or TBM

PBO

Muffler Bearings?

Considering it is a magnified shot it would not be any bigger than the palm of your hand. In fact is is probably no bigger than a half dollar in diameter.

The fact that the picture was taken from an elevated side profile is also rudely deceptive of the author as you can clearly tell it is threaded, but to what extent? There is no way of telling if is a clear through hold like a washer or a threaded cap of some sort.

Also guessing a "part" is rather deceitful as it could be a part to any of the millions upon millions of original things that have ever been made by man. Considering all parts in the design and initial production phases are bespoke to some degree, it could come from anything; or nothing at all.

Here are my guesses:

1. Threaded precision weight (not a chance as too hard to calculate tare weight and weight distribution of the raised letters and numbers to make it worthwhile)

2. Threaded stabilizing weight for a moving tool or machine (i.e. fan, clock, drill press)

3. A precision heavy duty leveler for industrial machinery or manufacturing equipment (no load bearing on the thread lip where the lettering is the the threaded rod would not sit on it at any point.

4. Cast iron or lead low-profile pipe cap for a gas or oil line in either home, business, or machine.

That is all I have for now. Few notes though:

Part is new as it still has the manufacturing dirt/oil/grease/grit grainy black paste in the threads. Also has very few visible imperfections on the surface or to the threads.

--GTO--

@GTO Some good points.

I added an Update in the article above to clarify. Hope it helps.

Thread ring gage

or

Pipe thread ring gage

or

thread cutting die

It's either a nut for a bolt or it's a paerweight.

paperweight* I spelled it wrong

@La_King *everything* is potentially a paperweight.

I'll give it another go. A tamper proof security nut? Once it's on, it's super hard to get off without specialty tools. They use them for things like street signs and sometimes high end alloy wheels.

That isn't a weight or locking nut, it's a weld-in tank flange.

These are all good guesses. Very creative. No one has it yet. Keep the ideas coming.

It appears to be the top section of a jack post type floor jack.

My second guess would be a bulkhead nut since my first guess was wrong.

Sorry I said rudely deceptive Vin. haha

It is a frustrating item.

Your explanation of "part" was also slightly highly confusing. A part of a final product, not part of a tool/machine used to make aforementioned product?

Is it a tool part or a John Doe consumer product part?

I am confused! And I think I failed on my strike attempt

--GTO--

Yep I did.

--GTO--

It is a stop of some sort. It is a new part obviously. The problem is that you do not see it in its "natural" surroundings so there is no obviousness to it. It is magnified, sitting on what looks to be a thin, black, rubberized mat. I know it to be small in size due to the small scale of the shadow. Picture taken in an office setting as the lighting is clearly fluorescent.

All the clues in the world and I am still baffled.

More guesses:

5. Part of a dampener
6. Part of a harmonic balancer assembly
7. Spacer on a hydraulic press

--GTO--

This is a "Port" or threaded insert that is welded in the side of an Oil Pan. A drain plug is then threaded into the "Port" for draining the oil in the engine. Also, I would say that this port is for a larger diesel engine from the size of the port.

This is a Weld-Olet. A weldolet is designed to minimize stress concentrations and provide integral reinforcement without the need for reinforcing the weld.

a coupling?

To add to my above comment, it is a Thread-Olet.

Spherical washer or nut.

It's a threaded boss that is used in sheet metal tanks or reservoirs to act as a drain (or fill) port. Those are pipe threads and there is an accompanying plug that screws into it. This part in the picture is welded into a hole in the tank. I would call it a pipe thread weld boss.

This is a die used for extruding plastic screws.

The part pictured is a threaded weldolet used for joining steel pipes. Welolets are typically welded together but in this case another pipe can be screwed onto the host pipe at a right angle.

Jam nut?

a spherical seat washer, or a heim joint jam nut. Too bad i can't read the writing on the thing

bevel nut

I think it is foot to a standard school chair.

Is that an Aeroflex Truck Aerodynamics SC009 Hex Nut?

I think its one of those cones in a cvt transmission.

Or part of a pipe cutter.

This is also called a weld in pipe bung.

looks almost like a threaded taper washer

dang, yep it is a female weld in pipe bung..

is it the non cutting wheel of a pipe cutter or a glass cutter

is it the non cutting wheel of a pipe cutter or a glass cutter

This is a NPT threaded Tank Flange. Also known as a weld-o-let. We use them everyday.

Flared hole die for sheet metal?

it looks like the nut that holds down a tire rim in a old style tire remover ,,it holds the rim down so one can remove the tire from the rim :)

It looks like a weld-on theadolet. A pre threaded part that you weld on to a pipe with a hole in it for example so you dont have to drill & tap.

Cap for a chain link metal fence post

A flatolet

It is a thread chaser.

It is a physical compression indicator.

self centering washer

A nut/sleeve used on aircraft?

looks like a mandrel for a bead roller

looks like a mandrel for a bead roller

Good guesses everyone! We had you stumped for a while there, but OldReliable got it first with

"11/16/09 at 8:43 pm: That isn't a weight or locking nut, it's a weld-in tank flange."

Then a bunch of other people got it later on:

bdbartie is right. RMORGAN is right. Azorus is right, and @Racer609 is right. @Pete43 is sort of right.

OldReliable, I'll email you today to get your real name and snail mail address, and we'll ship off your prize!

Keep up the great guessing! We'll see all of you in our next round of Guess This Tool.

Taylor
PopSci.com

@OldReliable - Looks like our posts got mixed up in time order. I hadn't seen your first post when I posted my comment. You were correct.

Looks like a bunch of other people nailed it too.

These were all really creative guesses. Nice work.

Was this too obscure or should I dig even further into the parts bin in the future?

go even more obscure give us a really good challenge

the nut off of a pair of pliers

It's a cabinet door nob.

I have to say, johnsoncole is the closest of what I believe it to be. It is a locating washer so that the part it alligns to mates with the countersink and taper of the washer rather than the shoulder of the bolt that is being used.

I said locating washer but ment to say locating bolt. A washer wouldn't have threads. It does give me question of why there is a taper on both sides....maybe someone reading this will be able to colaberate.

It looks like a go/no-go gauge for measuring threaded parts after production. (to determine whether a part is within specifications)

It is a weld flange. Hard to tell, but it looks like 1"

It's an electrical insulator.

The part is a weld in through hull FNPT fitting

Is it a Threadolet? (thread weld olet)

Where the last dozen or so comments all entered at once, or is no one paying attention that the correct answer was guessed.

it is a beader wheel for a sheet metal beader

I think this is a piece for a press.

this is for a for a rpess it is used to press in bearings and bushings.

This part is a cast, threaded, pipe fitting flange, awaiting a welders skilled talent to attach it to a pipe , tank, or some such object, needing access for one or more liquid line connection(s). Once permanently attached, it can be plugged with a threaded pipe plug made of steel, aluminum or plastic for future access.