Filling object when printing

Hello,
I am quite new to 3D printing and I have A1 printer.
When I run out of filament during printing I looked at partial print and realised of a potential problem I could have.
I have objects with a hole for a screw which I expected to be fully filled. But when you see on the picture it is not. If I wanted to use a bigger screw it may cause a problem which I wouldn’t expect. Is it possible to specify for part of the printed object to be fully filled?

In Bambu Studio, just add modifiers to these 4 locations and select either sparse infill density to 100% or increase the wall loops to a high value

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Hi,
Thanks for your quick response.
I will try it. There is still a lot i have to learn.

The one at the right bottom corner is a bit iffy but the rest should be okay. When using cubic (or gyroid) infill the infill goes through the print in such a way that all of those will be better supported

When in preview pane, lower the top of the right slider and move it layer by layer to verify the result

Thanks a lot for your help.