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acceptable screws
(sopuli.xyz)
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this post was submitted on 03 Apr 2024
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Philips screws are awful. They strip if you look at them wrong. Flatheads should only be used on thumbscrews just in case you need a little extra torque from a screwdriver.
Torx and Hex are excellent.
I work on electronics and woodworking and Phillips are the utter worst of both of them. The thread lock in computers makes them easy to strip when unscrewing. The resistance of driving them into wood makes them guaranteed to strip when screwing. Fuck them.
The big issue I see with people driving Phillips screws is that they don't use a large enough driver size. Computer screws for example are Phillips #2 and I've never had an issue with them stripping.
I use the correct driver, I'll go through my kit to find the best fitting bit. It simply comes down to the fact they are designed to strip to avoid "catastrophic failure". Plus the fact that companies use intentionally cheap, soft screws, to make repair and service harder. Cough cough zinc screws on a $10,000 iMac (steel screws would have cost 25 cents for 10, zinc like 5 cents for 10, fucking ridiculous).
I read that the thing about them being designed to strip to prevent worse failure is just a myth. Or at least they weren't originally designed to. It said that the original patent never contained any feature for that. Wouldn't surprise me though if modern companies do use screws designed to strip to prevent disassembly/repair.
I think originally the screws would cause the driver to cam out and stop driving if a certain amount of force is applied but the screws are so soft and cheap that the harder driver damages the screw head when it cams out.
This and the centered shape that Philips and Robertson have were key. The lack of a sharp driver bit being able to slip out of the fastener prevented a lot of injuries.
However, Philips, at least, needs to go away.
I always figured it was intentional but for the other reason: screws soft enough that overtightening can't damage/crack the multi-thousand dollar components, the screw head cores out first.
That's great, but then you can't get your multi-thousand dollar component unscrewed anyway so what was the point?
It's also a design flaw that it's so easy to use the wrong sized driver and it will sorta work. It might be annoying that you have to have a set of different star drive or hex drive bits, but you're less likely to strip them.