Marpac Well Nut Brass Insert




Product type: Marine Products

Vendor: Marpac

Tags: Hardware



  • 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.