Thank you for your response, but you didn't answer my question.
Did you use self tapping screws (https://nl.aliexpress.com/item/100PCS-NAIERDI-2x6-8-10mm-Screws-Bronze-Tone-M2-Flat-Round-Head-Fit-Hinges-Countersunk-Self/32809005968.html) or did you use bolts...