No, my sister's has a steel bracket that goes across a hole about 1 1/2
inches in diameter, and a small stainless steel nut (about a 9/16 inch
nut IIRC) that clamps the bracket onto the counter top or sink.
That's because a smaller nut can be tightened with a socket wrench and
enough extension bars to reach the nut, but a large nut would require
using something like channel lock pliers in confined space of poor
accessibility where using such a tool would be difficult. It's simply
easier to install the faucet with a bracket and small nut.
You can't use a basin wrench to tighten the 9/16" nut on my sister's
faucet because the copper water supply pipes are in the way. You can't
even get a basin wrench onto that nut.
You have to use a socket (with extensions). That's about the only
practical way to do it. You don't even have room to turn a small box
end wrench between the sink and the wall behind the sink.
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