These fasteners have been designed to assemble unconventional materials, such as ultra high-strength steel and bioplastics.

Off course, you can also print the threads directly, screw a bolt into an un-threaded ... while CA was comparable to plastic threads, failing at 52 kg. TLDR: Print your threads for best results ...

Just how much abuse these plastic screws can withstand was an open question ... each identical in diameter, length, and thread pitch, but with differing wall thicknesses and gyroid infill percentages.