Various ISO metric nuts, bolts and connectors

Various ISO metric threaded nuts, bolts and connectors created using the OpenSCAD ISO model written by Trevor Moseley, published on Thingiverse 311031 under the Creative Commons - Public Domain Dedication license.

I've always struggled making threads, so having found some which work well, would like to share to help anyone else in need

Design by Graf Ulrich von Bek on MakerWorld (license: CC0).