Metric Rubber Brass Insert Well Nuts

Metric Rubber Brass Insert Well Nuts

Flanged EPDM Insert With An Internal Metric Threaded Brass Nut


Metric 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. Metric Well nuts are a common choice for waterproofing holes where an attachment is needed. A metric well nut is also commonly referred to as a rawl nut or a rubber rivet nut.

Benefits of Well Nuts

  • Highly corrosion resistant - Marine Grade
  • Easy to install or remove
  • Can be installed into blind holes
  • Minimizes vibration and shocks

Well Nuts are a great choice to help prevent Galvanic Corrosion.


Size Grip Code Grip Range Length Head Diameter Head Height Body Diameter (max) Hole Size
M3-0.5 x 12.6MM #1 .040 - 4.00 12.60 11.00 1.40 7.90 7.90
M4-0.7 x 12.6MM #1 .040 - 4.00 12.60 11.00 1.40 7.90 7.90
M5-0.8 x 14.1MM #1 .040 - 4.90 14.10 12.70 0.90 9.60 9.60
M5-0.8 x 14MM #2 .085 - 5.90 17.00 14.00 1.00 9.60 9.60
M6-1.0 x 21.1MM #2 .080 - 4.70 21.10 19.05 4.75 12.70 12.70
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Product Specifications
Color
Black
Corrosion Resistant
Yes
Material
Neoprene EPDM Rubber with Brass Insert
Product Type
Metric Well Nut
System of Measurement (Unit)
Metric (mm)
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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Size
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