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Marpac Well Nut Brass Insert

Marpac Well Nut Brass Insert

Regular price $5.99
Regular price Sale price $5.99
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  • Creates a waterproof seal
  • Minimizes vibration and shocks
  • Easy to install or remove
  • Highly corrosion resistant - Marine Grade
  • Can be installed into blind holes


Well nuts are a mostly rubber (EPDM) fastener with a hidden brass nut near the end. They have a flange on one end with a long barrel that is inserted into a hole. Rubber Well nuts are a common choice for waterproofing holes where an attachment is needed. A well nut is also commonly referred to as a rawl nut, rawlnut, or a rubber rivet nut.

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