Even more annoying ius when they are cross haed of inderterminate type ... no extra x so they they be phillips ... yet angle is wrong and Phillipos drivers simply cam out.
As to why we won;t go all Pozi ... simple, US uses choses not to use Pozi.
Yes, they don't seem very common here - it's all Phillips for normal work, and Robertson or Torx for anything that needs something a bit more heavy-duty. Or at least, that's what I've found on the DIY side of things, anyway.
It makes sense to me though - there's no point throwing another standard into the pot when what you have covers all bases.
Reed and Prince is one sufficiently different (thinner) from a Philip's to warrant a seperate driver and there was another which was like the pozi dimensionally but without the gripper and this could be made from a Philip's driver by filing back. I came across another simple cross head "common" design in electrical and cabinet work in which the blade thickness of the driver narrowed to the edge of the screw head but can't remenber the name of this one either.
Sometimes it's just a truncated philips head that is required, touch the end of the driver with a grinder.
I blame the screwdriver makers myself. I actually never saw a socket head or posi screw till I was at least 25.. The correct screwdriver for the slot used to help a lot though. Brian
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