

I’m not talking about the engineering side, I’m talking about an environment where some systems are metric and some are SAE, usually based on if they are US or European designed. In these environments, technicians who are sometimes not terribly well trained, who are doing daily work, will mix and match the wrong screws into the wrong systems.
It may just be “a” screw, but as I said it leads to these same people accidentally stripping them, which makes certain parts inaccessible until the stripped screw is removed. Which is a headache on top of whatever the actual headache reason is that I’m removing the screw in the first place. It’s extra yak shaving.








Huh? What?
I’m working on finished systems designed entirely in metric, only designed with metric hardware. Installed with that metric hardware. The only way SAE hardware finds its way inside is when US technicians, who work for customers and not for my company ram it in there. Engineers are not consulted when they do this.
We just use metric security screws for most applications. Everything is supposed to be physically accessible by technicians who are theoretically qualified. Sometimes though they just aren’t.