Tough As Nails Carbon Steel Enclosure Hole Plug Seals Half Inch Conduit Openings With Oil Resistant Gasket And Quick Turn Wing Nut Fastener In Durable Smooth Gray Finish

Industrial grade half inch conduit hole seal inserts
✔️ Single 14 gauge carbon steel build with fast twist nut and seal

You need this carbon steel hole plug to cap off unused knockouts in electrical houses. The 0.88 inch diameter drops right into standard half inch conduit openings. Keep dust, moisture, and shop grit out of your panels while you work. Each single unit arrives ready to mount without extra hardware.

✅ 14 gauge heavy duty steel body takes rough daily abuse
✅ Oil tight gasket lining blocks fluids from reaching wires
✅ Quick flip wing nut secures firmly without fancy wrenches
✅ ANSI smooth gray paint matches factory control cabinet look

💡 What standard conduit knockout covers do electricians call in for routine panel upkeep?
You will appreciate how handy these half inch grommet stops save sweat on field repairs. Contractors lean on them to shutoff wet basement drips and sawdust drift in junction boxes.
- Thick outer flange sits flush inside square enclosure knockout windows
➤ Twisting grip handle grabs steady even when gloves cover hands
➤ Grease shield material resists slipping past the sealing groove over time

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