Heyco Dome Plugs

Heyco manufactures molded nylon products including strain reliefs, liquid tight cord grips, bushings, cable and hose clamps, and wire positioning devices.


Closes unneeded panel holes and electrical knockouts. Quick and easy installation.

Convex, matte finish head tapers to thin edge (Except DP-187). Multiple sizes for use in .187 ̋ (4,7 mm) to 6.000 ̋ (152,4 mm) diameter holes.

Lock firmly into panel up to .250 ̋ (6,4 mm) thick. Locking fingers in fractional increments up to the maximum panel thickness.

Approximate Head Thickness: .062 ̋ (1,6 mm). Thickness may vary. For Snap-In Metric Dome Plugs see page 6-30.Approximate Head Thickness: .062 ̋ (1,6 mm). Thickness may vary.

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