Hardware needed to build a planck like keeb

Hi there,

I plan on building me a 40% for the first time (already have an ergodash but it's soldered and wanted to try hotswap and a different format).

I've ordered plate, case, pcb and switches on ali epxress.
(will reuse my current key caps for now)

The description of each item doesn't say if it comes with some hardware. (it just says 2u stab for the space key)

If it's not included, where can I find the correct hardware.
I am not sure what length for the screws and stadoffs do I need.
I would appreciate if anybody with such experience could help me a bit with that.

Thank you in advance.