Fine thread Z-axis

I noticed some gaps between layers in all my prints which reoccurred every 1.5mm I quickly assumed that this had something to do with the lead screw/ z-axis because 1.41mm is the pitch of the 5/16" threaded rod.
(See here for details)

I went out and tried to find threaded rod with a pitch of 1mm not only because M8 fits better in our coupler but also because there is much less play between nut and rod. That turned out to be surprisingly hard because even though fine thread rod was easy to find, the nuts weren´t. Everything except a standard nut is somehow not produced.

With half hex rivet nuts and flanged hex nuts out of the game I ordered normal M8 nuts and planned on upgraded my z axis with kkronyaks Floating Motor Z-Axis. As a first step I wanted only to change the part which connects to the bed carriage, ripped my machine apart and noticed that the rod mount does´t have the same width as the original metal mounts.

But then I had a stroke (of genius). Since I have now 100 M8 fine thread nuts I have some space for trial and error experimentation. So I dremeld me some nuts to fit in the holes of the original mount.

At least I managed now to get the fine thread into my machine and when I put it back together I print all parts of the Floating Mount, because the 4 screws in the diamond shape promise much more stability for the bed as the original pattern with only 2.