Expansion nuts or well nuts consist of a flanged neoprene bushing with a threaded nut embedded in the non flanged end.
Expanding rubber well nuts toilet.
The hole will need to be the diameter of the rubber portion of the insert.
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When seated in the work piece a conventional machine screw is threaded through the head of the rubber nut into the brass nut and tightened.
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A hole must be drilled into the installation material.
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Rubber nuts are a flanged rubber bushing with a brass machine nut molded into one end.
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Well nuts are used to seal bolt holes and prevent leaking.
Simply push the rubber gromit through the hole in your pan.
Fastens in blind holes.
As the bolt is screwed into the nut the rubber on the other side of the hole expands and seals the bolt hole.
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This causes the insert to expand making a secure fastening.
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As you tighten the bolt up the brass insert at the bottom rises expanding the rubber creating a tight fitting.
Therefore eliminating the need to tighten any bolts underneath.
Installing well nuts is a simple task.
Place the seat on top and use the bolt supplied with our kit instead of your normal fixings.
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Demonstration video to show how well nuts work for fixing a toilet seat to a back to wall pan.
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Hillman 15 count 8 32 x 1 2 in rubber standard sae well nuts.
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