Hi folks
Yes, Robertson screws are great. The US has them too. They call them
Square Drive. They are almost identical to our Robertson but not quite.
If I remember the one has straight sides to the square and the other
have a slight taper.
I was in the hardware business for over 30 years selling mostly
reproductions of antique hardware. For those we sold slotted screws or
they just didn't look right most of them being oval head. For universal
face mounted brass hardware we used Phillips screws to match they just
looked better, but for construction hardware it is all Robertson screws.
We still have a quantity of Victorian brass hardware if anyone needs some
Nick
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