Not only there, but also very commonly used in 3D printing and industrial applications like mounting stuff on metal rails.
Main disadvantage is that there are barely any versions that sit flush, so you either have to design your part with an indent or use them for designs where it doesnt matter.
Genuinely curious as I had absolutely no clue hexagon even existed, what is the use case for them? And for the combo slotted/Phillips?
Most screws on bicycles are hexagon.
Not only there, but also very commonly used in 3D printing and industrial applications like mounting stuff on metal rails. Main disadvantage is that there are barely any versions that sit flush, so you either have to design your part with an indent or use them for designs where it doesnt matter.
It’s used for Allen/hex keys, a cheap and easy to ship version of screwdrivers that are especially popular with assembly kits such as Ikea furniture.
https://en.wikipedia.org/wiki/Hex_key
You’ve never assembled ikea furniture?