bob kater wrote:
sure you bought the correct seat for the toilet you have??? Never had
that issue before.

Just bought new plastic ones myself and have the same issue. It's a combination
of a slick material and bolts that are considerably smaller than the whole they
go through.

There were no pads or conical washers with mine either. I was going to try to
come up with a sleeve that would make the bolt-to-commode clearance a but
tighter.