> >Most hardware and home center stores don't even know what a
> >Robertson-drive screw IS. And of the few that know, you'll only find
> >wood screws. No machine screws. :-(
>
> In the U.S., we use screws that use hex wrenches for this niche.
Most countries use hex wrenches and Torx screws (etc) for niche applications.
Robertson screws (square head) don't fill a "niche", they're designed for
general purpose, every day use. In contrast, Phillips screws ('X' head) are
designed to fill a niche; i.e. one where the screwdriver can easily slip off
the screw (for rare situations where this is actually a good thing). What's
astonishing is that Phillips screws are used as general purpose screws
throughout the U.S. when Robertson screws are so much easier to use.
Dave Salt
SimpList(tm) - try it; you'll get it!
http://www.mackinney.com/products/program-development/simplist.html
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