Heyco® Large Dome Plugs
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Heyco® Large Dome Plugs

Heyco® Large Dome Plugs Mounting Hole Diameter Range from 3.000˝ (76,2 mm) to 6.000˝ (152,4 mm) Small Packs Available Heyco® Thick Panel Dome Plugs Mounting Hole Diameter Range: .375˝ (9,5 mm) to 2.000˝ (50,8 mm)


  • For use in panels thicker than .125˝ (3,2 mm).
  • Close unneeded panel holes and electrical knock-outs.
  • Locking fingers snap into holes with fingertip pressure for quick and easy installation.
  • Convex, matte finish head tapers to a thin edge.
  • Locking fingers in fractional increments up to the maximum panel thickness.
  • Withstand a push back force of 35 pounds.
  • Available in multiple sizes for use in .375˝ (9,5 mm) to 2.000˝ (50,8 mm) diameter holes for panel thickness up to .250˝ (6,4 mm).
  • Approximate Head Thickness: .062˝ (1,6 mm). Thickness may vary.

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