My shaft is broke I ordered one on it’s way I have to wait now about 3 weeks for replacement. So Printer down under maintenance…
Prusa i3 X
M6x38mm Nozzle Throat & Teflon PTFE for MK8 extruder
3 weeks, Ouch! I’d be looking for local sorce after that news. Bummer.
Is that just a threaded rod?
No it’s not just a threaded rod it’s the Extruder shaft. It has a few different diameters and a inner seal.
It’s just a long screw or threaded rod. You ought to be able to source something similar enough at a hardware store. For example, “quarter inch by 20, fine.”
@Stephen_Shimatzki Locally!? That’s funny! +)
@Michael_Rainey No it’s not “just a threaded rod” Also of course it’s metric! M6 1.0
@Scottie_D369 Of course it is. American measurements for the incompatibility. And of course it isn’t just threaded rod. That would be too easy. If it were just a part you could pick up at any old hardware store you wouldn’t be locked into their supply chain for regular maintenance, would you?!
Sorry if I just broke anyone’s sarcasm meter with that rant.
Well there’s a guide for the filament inside of it. Have any of you ever seen this part?
@Nathan_Walkner I bout 2 for $3 each but I found some after the fact for $2 eah @ 5. But o well.
So, theoretically, you should be able to buy an appropriate length M6 1.0 stainless steel threaded rod (or a bolt). Then, use a drill press to drill the narrow diameter all the way through. Follow the narrow hole with the larger drill bit for the Teflon tube (it’s usually just a step).
Of course, stainless is tough to work, and this would require a really good drill press and vise, at a minimum…
@Carlton_Dodd Have you ever tried that? Because a nice strong vice will I guarantee it ruin the threads doing that. Then you have to re try and attempt the tap it to fix it and becomes another bigger mess. That’s how I got it this far on this piece.
@Scottie_D369 come on’, it’s the internet… Don’t we all just live around the block? 
I have to be cheap and save $ right now @Nathan_Walkner so I have to deal with getting it a bit longer. I have to work on my car too.
Another prime example of having spares.
That’s why I’m posting this to help others know what spare parts to buy @Nathan_Walkner . I also bought a set of nozzles too with this purchase.
Sorry @Nathan_Walkner I need 38mm.
This all started when I had a problem it leaking there were seeps of plastic bubbling up from the nut. I was able to seal it up good where it wasn’t leaking on parts. But was still there. But I was getting a clog inside after every print. I was able to fix it each time but that’s time consuming so I thought to take it apart and fix this issue so then it broke completely. So I would be still printing right now if I just pushed out my clog like I have been. Either way I kinda needed one anyways I just pushed it. (Lesson learned) Don’t take apart yet until it isn’t working. If you found a way that works go with it.
@Nathan_Walkner I even have a complete set of electronics and a complete extruder setup… nozzels, tube and heaters/thermisters. oh and don’t forget a complete set of any printed parts.
Yeah I see alot of people here print parts as soon as they finish their first printer. Or mods. Now I haven’t went that extreme at all. Ever since I’ve “Dialed it In” prints are flawless as long as bed is level. Just printing out useful stuff. Besides I have to wait a few weeks for my electronics on a project I plan on designing anyway. So I’d be printing just junk in the meantime. So this is a sign to save my filament. LoL