Meeting: The use of Emboss on each our bodies with the similar comic strip. Holes no longer aligned

I am the use of Fusion 360, however any assist could be preferred.

I’ve attempted just about the whole lot.

Those are two separate our bodies and you are seeing them in an meeting. I’ve to create holes on every person frame and lead them to fit.

r/cad - How to create aligned holes on these two curved bodies?

used hollow command

The holes do align the use of the outlet command, however that is converting the form of the outlet.

Those two portions are to be fixed in combination. A threaded insert could be inserted into the outlet of the thicker section.

A screw could be inserted into the outlet of the skinny section. As you’ll be able to see, the curved nature of the outlet isn’t what is needed on this situation. I need a flat hollow. Preferably, I want to have a counter sunk hollow.

r/cad - How to create aligned holes on these two curved bodies?

used undertaking to floor

If I exploit undertaking to floor, I’m not able to extrude the projected comic strip. I will be able to use the outlet command, nevertheless it offers me following

r/cad - How to create aligned holes on these two curved bodies?

the use of hollow command on projected comic strip

I then need to cut-extrude the opposite part to get a hollow. BUT, I used to be getting the similar effects prior to as neatly.

r/cad - How to create aligned holes on these two curved bodies?

skinny section: After undertaking to floor, hollow, and cut-extrude

I need a flat floor. no longer this curved ass floor.

To summarize

If I exploit emboss, I do get the flat surfaced holes, however they do not align.

If I exploit undertaking to floor and extrude/ hollow command, the holes do align, however I am getting curved holes. A screw would no longer take a seat flat in this curved floor.

Preferably, I want to have the skinny frame’s hollow to be counter sunk, in order that the screw can grow to be completely flat with the outside, and isn’t making a bump.

What must I do ?? Please assist!