Phillips head screws are used only in the United States and are poor indeed. Elsewhere, except in Japan, crosshead screws are PoziDriv.
Japanese cross head screws are most likely JIS, quite similar to PoziDriv. Using a Phillips driver in these screw will damage them.
Lots of PoziDriv screwdrivers are available on Amazon. You want sizes 1, 2 and 3.
If you ever work on Japanese electronics, you need a set of JIS drivers also.
Larry
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-------- Original message --------
From: Radu Bogdan Dicher <vondicher@...>
Date: 9/17/22 2:40 PM (GMT-08:00)
Subject: Re: [HP-Agilent-Keysight-equipment] Pozidrive screws on HP covers
Interesting. Maybe that's why I've had such a hard time trying to avoid ruining those as frequently as I had.?
Do you have an image with a "pozidrive" tip?
Radu.?
I failed to realize, until recently, that the screws on the covers on many HP instruments are Pozidrive and not Philips.
Had I looked more carefully I would have seen the X indicator but it was only after I actually used a Pozidrive on one that I felt how much better it was! Not surprisingly it's a much better / firmer fit.
Live and learn I guess. I'll never use a Philips on one again!
??