Well Nut




WELL NUT advantages:

  • Seals out ambient moisture
  • Muffles noise
  • Dampens vibrations and shock
  • Isolates electrical conductivity
  • Isolates galvanic corrosion between dissimilar assembled components
  • Snap in version can be pre-attached to parent material
  • Available in custom materials to meet specific application requirements

Specifications:

  • Body Material: Chloroprene and EPDM
  • Nut Material: Brass
  • Thread Class: 2B (in); 6H (mm)

EPDM + Brass Insert "Well" Nut

Well Nuts have a flange on one end with a long shank that is inserted into a hole.

During install the tightening of the bolt causes the shank to bulge and expand, securing it in place.

Commonly used for applications where a weather resistant seal is needed. Also used for blind hole applications.

Also known as as a Rawl nut, Rawlnut, or a rubber rivet nut

A well nut is a blind rivet-like type of fastener used to blindly fasten a piece (much like a molly bolt) and to seal the bolt hole.

https://www.youtube.com/watch?v=WpATnkmKzYI&ab_channel=AlbanyCountyFasteners

https://www.youtube.com/watch?v=ORETJyyUjt0&ab_channel=KayakHacksFishing

https://www.youtube.com/watch?v=qPSKLlwC0YA&ab_channel=TifcoIndustriesInc

They are often referred to by the proprietary name Rawlnut or Rawl nut, the name by which they are known in the UK.

Description

A well nut consists of a flanged neoprene bushing with a nut embedded in the non-flanged end. The bolt is passed through one of the pieces to be fastened and threaded onto the nut from the flanged end. The non-flanged end is then inserted through the other piece to be fastened. As the bolt is tightened, friction from the neoprene flange against the piece being fastened prevents the nut from turning. The bushing is compressed by the nut, forming a lip behind the piece being fastened, which compresses the fastened piece and seals the bolt hole. It can also be used in a solid workpiece. As the bolt draws the embedded nut towards it, the walls of the well exert a force on the hole walls, anchoring it.

Well nuts are not particularly strong, but are useful for sealing holes and/or isolating vibration

  • Phone:
    Toll Free: +1 888 696-7826
    Local: +1 760 489-8745
    Fax: +1 760 489-9117
  • Address:
    1549 Simpson Way, Escondido, CA 92029 USA
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