Impossible double threaded bolt.

Check this dual threaded pen for the curious mind - metmo-pen-a-dual-threaded-pen.kckb.st/9d96d4d8

Yep, can confirm its possible... can also confirm there is a very good reason they don't make bolts like this.

Funny how everyone thinks he wants to use this in something rather it just being a toy, or something cool to look at.

Son: “is it righty tighty lefty loosey?”
Me: (takes drag of a cigarette) “I don’t even know anymore kid.”

This is why nuts and bolts have spiral threads. Otherwise you'd be driving down the road while your car slowly disassembles itself. Lol

Guys he's not trying to revolutionize the construction industry, its just kinda cool.

The reason this works is because it has the indents from both bolts but still has structure so it isn't just a not pointy nail

Guys the engineering industry has already discovered and discarded this as an idea he's just showcasing it for us normies because it looks interesting

This is one of my favorite prints. Endless entertainment.

It was impressive seeing the guy that machined one of these.

Hey! I have that same bolt but I didn't know you could do that. Though mine came without the nut.

I didn't know my mom was into puzzles like this

that last bit of back and forth twisting was EXTREMELY satisfying ngl

If we had the red on as a screw, we would save SO MUCH time screwing in screws

Looks like a toy my older sister uses 👍

I think this mechanism is used in the flywheel in cycles too.

This feels like it would come undone very easily

Clearly it's possible... Just looking at the design makes that quite evident

Its the same concept as an auto line feeder. My water hose container has the same type of bolt

So it basically can’t torque onto any that could ever shake or move or be touched, sounds… cool?

Getting a nut to thread both ways such as this isnt the hard part. But your forgetting the purpose of the nut is to TIGHTEN DOWN that will not happen with any of the nuts shown. Too much thread play is needed for them to tighten down to any degree

Would love you to print a rattleback, cool little toy...😎

This was more impressive when I saw it cast in metal.

It almost sounds like engineering does work, huh, who knew?

It makes complete sense to me and I don’t get why it’s a puzzle. 😂

Everything is a private toy if you're just brave enough

Theres a video where a guy makes one from alluminum and its so cool

The way the red works is all about pressure pushing it down while spinning it any direction will make it go down but pulling up in any direction will come up
Simple but pointless

I know it's a puzzle, but if you really wanted to use this on most situations... it wouldn't be useful, because for example, take the red thingy, you can unscrew it from both sides, losing the point of a screw, wich is meant to hold things

This was actually invented in my tiny town in Canada 😁

SOME RUSSIAN DUDE ON YT MACHINED ONE OF THESE OUT OF BRASS. IT WAS ALSO BEAUTIFUL!!🙏

"Blew you mind" ?? Of course this bolt would do this, its threaded both directions

I love your puzzle videos

It does not matter which way it's spinning it matters if you pull the bolt up or down

Cross thread three different ways with the same hardware?
Sign me up 😎

That's crazy, I wonder if it works if nut and bolt were made of steal ?

If car manufacturers used this, I could finally get a bolt off without having to say to myself “lefty loosey, righty tighty”

That's cool! My mom have the same thing in her dresser!

Handymen are rethinking their whole lives rn

My friend had come up with almost the exact idea *years* ago and no one thought it was cool. What kind of trick is this?

I have this cool double threaded bolt idea: it involves a smooth cylinder and a smooth ring. I'll take my Nobel prize now.

I know you can make anything possible in puzzles 😀😀

Im guessing you are using force to move it up and down on the red one

the reason this works depends if you pull or push on it

Can it tighten at all?

This has to be the fastest video 📹 you ever made LOL!!!
I'm glad you enjoy your new toy!!!

Why are people so amazed by these? Look at the design for three seconds and it obviously makes sense.

“Wait till you see this nut” 🤣

1 vary massive flaw with that is if it's an a vehicle or building any kind of vibration will vary easily loosen it then will fall off

I've seen this done with metal and its honestly more impressive

I can't be the only one who thought of a differant purpose that the blue part could serv

if all future bolts are like this:
every single engineer when screwing the bolt: RAGE

You made it its pretty impressive

Are there any practical applications for these things? Lol

You'll be a great scientist in future!

That's not really hard to find the reasoning, the green ones are clockwise and counter clockwise respectively, and the red one is straight, so when you twist the red one it will move in any direction you push it.

I think crossthreaded is a cooler way to call it

*dude this guy is cool*

My mom has a bolt like that but I couldn’t find the nuts 🤔

Hahaha, I totally thought that was something completely innocent.. Haha

This reminds me of that beyblade where you can adjust how it spins like clockwise or counterclockwise

"ok that's normal, wait until you see this nut"
😔🤚

Isn’t the last one just skipping the threads entirely?

Wow, a loose bolt

Just get a wider circle then it only takes 1 motion to get it all the way down

The red nut has the same design inside as the screw but the other ones aren't

love how everyone is talking about how everyone is talking about how we should start using these when ive literally never seen a comment saying that

But what's the use of this? If you use it in any machine, the machine vibration will just shimmy it out

I wonder if this bolt has any industrial uses

I think all nuts and bolts should be like this for ease of use

Imagine how damn easy it would be for shit to wiggle out of place

I think this would be cool as a little idle hands toy

This hardly a puzzle, where does the nut go totally depends on which way you push, no matter which way you turn, as long as you turn.

It goes every way you just have to push or pull

You’ve invented a bolt that can’t be tightened to be used

Imagine the nut struck at bottom and cant be removed.....

3d printers are awesome but people coming up with the most random stuff lol

u know that the green Nut doesn't need to be printed on mirror right?
you can just flip them

Ayo that printing process was mad sus 🤤

How is it impossible? It's just engineering and math

The last clip used... It was looking as if something else was thought to make... Then changed the mind and made this one

Him: "Wait to see this nut"
My brain: DEEZ NUTZ

"Wait until you see these nuts"

People have a pretty loose definition of the word "impossible"

Wow that would fit well in my older sister

The bolt reminded me of something else👀

Want amazon links to the puzzles please

bruh you can spin it either way if your pushing down the bolt like that the spin doesn’t even matter

“gripping on the nuts” lol

idk why but it looks like something that has a "very" different use for single people

It is very interesting but it ends up being useless could be a toy but i dont see it being used in everyday things

Third one is just sliding, no actual grip😀

The first two are threaded differently

Lmao these nuts look really cool

I think it's because the bolts has a x line

Right however the bolt would not hold much tension

Small threads = really bad things

That is a nice 3d printer

My brain breaks when I see things like this.

This is nuts!