









Befenybay 6PCS Diameter 8mm Black TR8x2 Lead Screw Nut for CNC and 3D Printer Parts (Size: Tr8x2)
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Wayne1956
> 24 hourTR8X4 works for Anycubic Mega-X. Hole pattern is good but not threaded. Need to use longer bolts and nuts.
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Erick
> 24 hourMy ender 5 plus was driving me insane till I used these. Its so much better now, no more squeaks!
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Ama Customs
> 24 hourIt didnt make my machine as super quiet as i was hoping (i have another rail somewhere thats causing some buzzing/squeaking noises), but they did quiet it down a bit, and i feel like everything is actually running more smooth. Never used the plastic nuts before, but i dont think id go back to brass now
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Roald
> 24 hourEnder 5 plus is no longer squeeking after installing this.
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MichaelM
> 24 hourI used these to replace the worn brass lead screw nuts on my Anycubic Mega X. They are perfect fits, and a little quieter than the originals. I do recommend that you put some lube on the lead screws to minimize wear, but that would be for nay lead screw nuts.
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E. Jorgensen
> 24 hourQuieter than brass and zero lash. Yeah they wear eventually but there are six of them in the package.
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G. McWhorter
> 24 hourI used these to replace the original brass anti backlash nuts on my Sainsmart Genmitsu 3018 pro cnc machine. The ones that came with the machine were a nice fit on the leadscrew, but the housing they went into was a sloppy fit. There was about 1mm or so of play so when the machine was running, the anti backlash nuts on all three axis (X,Y and Z) would all rattle around and make a god awful noise. These are not an instant upgrade though as they are round and the ones I replaced were more rectangular so what I did was used a file (a rasp works too) to gradually shave down two opposite sides evenly and kept test fitting them into the recess until they were a nice snug fit with no movement. It takes awhile but its worth it, my machine is so much quieter now, no more clattering sounds. I also stuck another one up underneath where the Z axis lead screw ends because on my machine there was literally nothing there but an empty hole. The end of the lead screw basically just dangles there and there is nothing to contain it and keep it from waggling around. I did have to dissemble the Z axis to do this and then I had to slightly enlarge the hole below where the Z axis leadscrew ends. Then you just need to drill out the threads on one of these lead screw nuts and push it up through the bottom of the Z axis assembly. Choose a drill bill that is just big enough to remove the threads, thats all. Now the Z axis leadscrew can not flex anywhere because it is contained at the bottom (with the threads drilled out it can spin freely inside the nut without catching). Overall, for less than $10, these made for a nice cheap upgrade for my machine and made it much quieter and Ive still got two spares left! Good deal.
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S Williams
> 24 hourThe threads on this fit the Prusa MINI+ and my first few prints have been successful. Although the threads fit, the fastener holes and diameter are not the same size as the MINI+s original nut. I had to modify the holes on this screw nut in order to fit the MINI+ (I cut it to make two of the holes into slots). So far it works!
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Kitzune
> 24 hourVery solid and tight threads. Barely any play along the t8 rod. No lubrication needed and very quiet in operation. I have known delrin to be a very strong polymer - not easy at all to wear and cut but using this material makes the most sense to make contact with metal.
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wookie457
> 24 hourGot these for my new ender 5 plus. Fit great and took away the screech it had developed when lowering z axis.