Self-tapping threaded inserts, for example, are available all the way down to M2, but the hex socket threaded inserts don’t seem to come any smaller than M4. ... Post navigation.

If you want to make serious assemblies out of 3D printed parts, you’ll eventually need to deal with threading. The easiest way is to make a nut trap that you can either insert a standard nut … ...

The combination of a tapered thread profile, 100% thread engagement, and a flanged head also deliver air and watertight seals on the insert’s internal threads.

The insert installs in thermoplastics for improved thread strength. The Tri-Step threaded aluminum insert enables fastening with thermoplastics. It is lead free and has 1/3rd the weight of brass ...