Threaded Backlash Elimination Kit by BIGTREETECH Direct Review

Cr10s require an 8mm x 8mm T8 model. Two problems: The nut under the extruder is too wide when the extruder is installed. If you have switched to direct drive, this is not a problem. The second problem is that the holes are not wide enough for the shaft. You will need to remove the brackets on either side and use a dremel or file down some metal to give them the correct mounting spacing. They seem to work well, I upgraded my x and y stepper motors to the heavier 0.9 degree versions and the…

I'll start by saying the nut is well made and still good value for money but. The screw holes are M3.5, or more like #6 (between M3 and M4 I think), which is an odd size that even people with a 3D printer probably won't be sitting around with. It would be nice if they included screws because of this. I ended up using M3 bolts from below and nylock nuts from above. Works great, can't say it's a kludge but it annoyed me that I couldn't easily recycle the original bolts (took longer to accommodate

I'm surprised how good they are at only $2 each. The finish is about what you would expect but better than a lot of cheap brass nuts. 2 out of 4 were noticeably worse but they are all lube usable. It seems a lot of people install them incorrectly. Screwing in the lead screw without Z-direction movement requires compression of the spring, there is an inevitable slight play when raising the gantry, but this should not be a problem in normal operation.** To any Creality printer buyer: They do NOT…