How to Install Sink Mounting Clips

Updated February 21, 2017

Installing a kitchen or bathroom sink into a counter top involves several steps. After the sink is fitted into the counter top, it needs to be secured by sink clips. These help hold the sink into place and are tensioned against the bottom of the counter top by tightening the bolts against the underside of the sink with a nut driver. It is possible to complete this project yourself with a basic tool. This will save you money in the long run, without needing to hire a professional plumber to finish the job.

Climb under the sink to fit the mounting clips onto the brackets that are attached to the lower lip of the counter top sink.

Hook the mounting clips onto the brackets by sliding them into the grooves. They should snap into place.

Space the clips evenly around the lower lip of the sink, so the sink is secured around the entire perimeter.

Tighten the bolts with a screwdriver that is equipped with a nutdriver that is the same size of the bolts. Twist the nutdriver in a clockwise direction to tighten. Check that the clips are tight and re-tighten if necessary.

Wipe away any excess caulk that squeezes out from the underside of the sink with a damp cloth.


You may need a helper to hold the sink in place while you are installing the sink clips. If you cannot wipe the excess caulk away with a damp cloth, wait until it dries. Once the caulk dries, cut the excess caulk away with a utility knife.

Things You'll Need

  • Nut driver
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