ES120 motion controlled screwdriver - video, photos

[mklotz]

The 4 mm tips that are available inexpensively, e.g...

https://www.amazon.com/IDM-Screwdriv...iver+set&psc=1

not only cover all the conventional screwhead configurations but the weird, such as triangular, as well. Many sets include small metric sockets which are expensive if bought from a name supplier such as Wiha.

I don't find much use for an electric driver for these tiny screws. They're seldom very long and the torque required to seat or free them is easily available from your muscles. I have encountered a few rare occasions where the manufacturer used a very long screw and operating it by hand alone was tedious.

My solution was not to spend $100 on some techie gadget. Instead I bought a 1/4" hex to 4 mm hex adaptor made by Wiha...

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

and use my conventional electric screwdriver.

BTW, never use an electric screwdriver to seat one of these tiny screws. In many assemblies they're threaded directly into plastic and even a lightweight electric has enough torque to strip them in a heartbeat. Run them almost all the way in with the electric and then use a manual driver to do the final seating.