Originally Posted by 360view
Seen screws with this odd head?
It is a “Clutch Head Screw”

It was briefly popular around 1968 and designed to stay on the screwdriver during assembly or disassembly.

My grandfather bought a “radio with reach” Motorola XP7C which has those.

https://radiojayallen.com/motorola-xp7c-xp7ce-am-portable-radio/


Buddy had a 46 Chevy that was full of those screws. Not a fan at all.