Product Search - Expansion Plugs / 5790



Concave Expansion Plugs, Dome Expansion Plugs, Welch Style Expansion Plugs, Core Plugs

  • Concave expansion plugs are used to plug or seal a shallower depth existing hole than the tapered cup style.
  • Use our Quick Search below to source aluminum, brass, steel (cold rolled steel), stainless steel and stainless steel 301-304 concave expansion plugs from our wide selection of options.

  • Available Materials: Brass concave expansion plug, aluminum concave expansion plug, steel (cold rolled steel) concave expansion plug, stainless steel concave expansion plug, stainless steel 301-304 concave expansion plug
  • Available Finishes: Anodized concave expansion plug, black oxide coated concave expansion plug, chem film coated concave expansion plug, passivated concave expansion plug, cadmium plated concave expansion plug, nickel plated concave expansion plug, zinc plated concave expansion plug, tin plated concave expansion plug (other finishes also available)

  • If you need additional information on your particular dome expansion plug application click on one of the links below:
         View our material & finish specification sheets
         View metallic material characteristic information
         View finish characteristic information

    Did you know Seastrom is more than concave expansion plugs? We manufacture and stock over 44,000 part numbers to make your washer & fastener sourcing job easy.

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    View engineering specs


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