2-Pack CR10 Z axis T8 Anti Backlash Spring Loaded Nut Elimination Gap Brass Nuts for Upgrade Ender 3 Ender 3s Ender 3 Pro V2 CR-10 Tornado 3D Printer 8mm Acme Threaded Rod (Nuts)

One of these didnt even fit so seems like size isnt very accurate for these things

If I could give this a 0 out of 5 I would; I ordered the backlash nuts a year ago for my ender 3v2 and they fit great so I thought of doing the same for my 3 S1 pro and pearing them with the oldham couplers... The backlash nuts are completely off this time, the m3 thread is about .5-1mm too high on both that came in the set making it impossible to use both the backlash and oldham. I have no idea how that one customer got both to fit together because most of the negative reviews mention the same thing. Something this inaccurate should not be sold on Amazon.

Completely removed horizontal artifacts. Just installed these on a dual z axis ender pro with the ender sprite pro head. I can see the detail in each layer. It is just perfect. Used with super lube grease

I installed a pair of plastic anti-backlash nuts on my Ender5+. That worked out so well that, even though I was having no trouble with my Ender3, I installed one on it too. The Ender3 has only one leadscrew, but I may install a second one soon. Backlash isnt really a problem on the Ender3 but I often use Z-hop, so it may prevent a future issue.

I loved this product. It really helped with my elephants foot problems! That and turning down my heat settings but you get the idea

works great for my ender 3 v2, wanted some way for anti backlash for my ender and this worked perfect.

I own a Creality Ender 3 v2 and put these on as an upgrade. It makes a big difference. Just know that the top piece with the notch in it, the notch faces down to the bottom, there is a great video on All3dp.com, but they tell you to put this piece on opposite of what i said because they are using a different mfg. But the rest is the same.

Works perfectly clean threads good quality. Tip for getting it done easier use a dab of grease to hold tiny washers in place while starting screws keeps them from falling to their demise in the carpet.

This was a well made and finished product, but the screw holes are 19mm apart and will not fit an Ender 3/Voxelab Aquila printer that require 18mm separation. The lead screw nut has less intrinsic slop than the OEM nut, and with the backlash set, has zero slop/backlash.

The mounting holes on these anti-backlash buts are drilled slightly too far out from the stock mounting holes, so they dont fit on the brackets. Completely unusable without hogging the bracket holes out!