My stock Z-axis switch assembly was extremely wobbly, every 3-4 autohomes the bed would lose level. I came up with this design. Utilizes stock screws. I've also added a hole on the bottom to screw it additionally with a M3x8 bolt to a rotating 2020 nut:

https://www.thingiverse.com/thing:3050607

It's a bit tricky to install, but you do it once in your lifetime; extremely strudy.

Creality

Ender 5

Doesn't Matter

Doesn't Matter

0.2

more than 30%

Don't use PLA as it tends to deform uder pressure for a long peroid of time.