NBKIT Flexible Plum Coupling Shaft Coupler – 3/4/5/6/7-10mm Bore, 20mm D X 30mm L

Alright, DIY CNC builders and machinists, this one's for you.

This NBKIT flexible plum coupling is exactly what you need to connect a motor shaft to a leadscrew.

It's brand new, comes in a bundle, and features that classic 'plum' style flexible insert to handle a little misalignment.

The outer diameter is 20mm, and it's 30mm long.

The bore sizes?

You've got options to fit shafts from 3mm up to 10mm—just pick the one that matches your setup.

It's a solid, no-nonsense coupler for any project.