I use a hole wizard in solidworks to create holes in metal sheet and plastic part, and then use matching bolt from the toolbox, the problem is I can't imagine in the real life how the bolt will be fixed without any nut, because I don't want to use nut due to the nature of the design. I am using DIN-EN 7046-1 ISO kind of holes, should I create spiral hole with spiral bolt or stick with the ready made holes??. It may seems a beginner question but it's my first time to do a mechanical design any help please.
Its been a long time using soldworks for me, but I belelive it has two options cosmetic thread (which can be switch on/off in view annotation) and other which uses spiralling (which consumes lot of RAM) if you this kind of doubts you can always put in a drawing sheet to verify. Hope this answers your question. Have a nice day