in-saiL 100pcs/lot M3x4.0mm, OD4.6mm Heat Staking Threaded Insert Quik-Tek Brass C3604

These are perfect for the Hero Me Fan system. They are of good quality. Highly recommend them.

Worked for my 3d printing projects. Easy to insert, sits tight.

These are perfectly sized

these are some of the better inserts Ive used for 3D models. Easy to use and install.

Will use the as inserts on a 3d printed device for a threaded capture where the plastic wont accept the tapping of machine screw threads.

If you are still using captured nuts on your prints give these a shot. Incorporating them into your designs is fun, not much harder than captured hex nuts and once theyre in, they stay in.

If you 3d print you need these...

They do what they are supposed to do! What can I say, they are as described.

When you need headsets now, instead of waiting for Aliexpress. These are a good quality headset and they wok great!

They are what theyre supposed to be...