Well Nut (rub nut) - rubber/brass

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Well nuts - rubber bushing threaded insert / rivet nut

Well nuts are a rubber body insert that consists of a neoprene bushing with an enlarged flange head on one end and a captive brass nut embedded on the inside at the other end. An excellent sealing option against air, moisture, and vibration. This makes well nuts ideal in lightweight bearing applications associated with fibreglass, plastics, glass or composite sheets. Refer to the tab below for an installation guide. Check out the nutsert blog. 

Well Nuts - ideal when seeking a seal against air, moisture and vibration.  


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Well nuts are a rubber body threaded inserts / rivet nut. 

Well nuts are a rubber body insert that consists of a neoprene bushing with an enlarged flange head on one end and a captive brass nut embedded on the inside at the other end. An excellent seal option against air, moisture, and vibration, which makes it ideal  in lightweight bearing applications associated with fibreglass, plastics, or composite sheeting. Check out the nutsert blog. 

Great when seeking a seal against air, moisture and vibration.  

Easy to install, no special tools required, just follow these simple steps: 

  1. A hole must be drilled into the installation material. The hole will need to be the diameter of the rubber portion of the insert.
  2. Slide the insert into the hole so that the flange is the only portion of the nut exposed. At this point, a hole must be drilled into the material you wish to attach if it has not been drilled already.
  3. Place a washer onto the machine screw. You want to use a washer to press down on the flange portion of the well nut. Otherwise, the well nut will try to spin during installation.
  4. Line up the two holes and insert a machine screw that matches the threading of the well nut.
  5. Begin driving the machine screw (and washer) into the threads. As the well nut tightens, the rubber portion will start to deform and pull against the back of the installation surface creating a tight strong hold.
  6. Congratulate yourself. Job well done! :) 

Well nuts are a rubber body threaded inserts / rivet nut. 

Well nuts are a rubber body insert that consists of a neoprene bushing with an enlarged flange head on one end and a captive brass nut embedded on the inside at the other end. An excellent seal option against air, moisture, and vibration, which makes it ideal  in lightweight bearing applications associated with fibreglass, plastics, or composite sheeting. Check out the nutsert blog. 

Great when seeking a seal against air, moisture and vibration.  

Easy to install, no special tools required, just follow these simple steps: 

  1. A hole must be drilled into the installation material. The hole will need to be the diameter of the rubber portion of the insert.
  2. Slide the insert into the hole so that the flange is the only portion of the nut exposed. At this point, a hole must be drilled into the material you wish to attach if it has not been drilled already.
  3. Place a washer onto the machine screw. You want to use a washer to press down on the flange portion of the well nut. Otherwise, the well nut will try to spin during installation.
  4. Line up the two holes and insert a machine screw that matches the threading of the well nut.
  5. Begin driving the machine screw (and washer) into the threads. As the well nut tightens, the rubber portion will start to deform and pull against the back of the installation surface creating a tight strong hold.
  6. Congratulate yourself. Job well done! :) 

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