> I've just been doing some repairs on an old deck and all the hardware is square. I don't think I've ever seen a square screw/bolt before moving to North Amer

> I've just been doing some repairs on an old deck and all the hardware is square. I don't think I've ever seen a square screw/bolt before moving to North America... This sounds like Robertson, which is uniquely Canadian. Are you in Canada by any chance?