Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer
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Oval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYerOval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYerOval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYerOval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYerOval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYerOval Blanking Blind Rubber Wiring Grommet Dual Sided Closed Cable Hole Plug Bung - HomeDIYer

Oval Rubber Blanking Grommet | Dual-Sided Blind Hole Plug

HomeDIYer
1 review

By HomeDIYer®

Price:
$2.28 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Oval Rubber Blanking Grommet — Dual-Sided Closed Blind Plug for Oval & Rectangular Holes

Round grommets don’t seal oval or rectangular holes—they leave gaps at the ends that allow dust, moisture, and debris to pass through. This oval rubber blanking grommet is shaped to fit oval and elongated rectangular openings precisely, creating a flush, closed seal on both sides of the panel.

Made from durable rubber, the grommet is a closed (blind) design—it seals the hole completely without a cable pass-through opening. Available in 16 sizes from 13×27 mm to 50×75 mm, covering the most common oval hole dimensions in automotive, electrical, industrial, and furniture applications. Press-fit installation requires no tools or adhesive.

Use it to blank unused oval holes in automotive firewall panels, electrical enclosures, control cabinets, marine equipment, furniture panels, and home appliance housings—anywhere a clean, sealed finish is needed on an oval or elongated opening.

✅ Available in 16 sizes from 13×27 mm to 50×75 mm — fits oval and elongated rectangular holes in metal, plastic, and wood panels — closed blind design (no cable pass-through)

✅ Key Features of This Oval Rubber Blanking Grommet

  • 🔵 Oval Closed Blind Design: Fully seals oval and elongated rectangular holes without a cable opening—provides a clean, flush finish on both sides of the panel with no gaps at the ends.
  • 🔄 Dual-Sided Smooth Finish: Both faces of the grommet are smooth and finished—suitable for visible panel surfaces where appearance matters as well as concealed internal applications.
  • 📐 16 Size Options: From 13×27 mm to 50×75 mm—select the size that matches your hole dimensions for a secure press-fit without gaps or over-compression.
  • 💧 Dust, Moisture & Debris Seal: The rubber body compresses against the hole edge to block dust, water, oil, and debris from passing through unused panel openings.
  • ⚡ Electrical Insulation: Rubber is a non-conductive material—suitable for blanking unused holes in electrical enclosures, control panels, and wiring harness firewall pass-throughs where insulation is required.
  • 🔧 Tool-Free Press-Fit: Push the grommet into the hole by hand until the flange seats flush against the panel surface—no adhesive, screws, or tools required. Removable and repositionable.

🎯 Who Is This For?

🚗 Automotive Firewall & Body Panels

Blank unused oval holes in firewall panels, floor pans, and body panels—prevents exhaust fumes, road noise, and moisture from entering the cabin through open wiring pass-through holes.

🏭 Electrical Enclosures & Control Cabinets

Seal unused knockout holes in electrical enclosures, distribution boards, and control cabinets—maintains IP rating integrity and prevents dust and insects from entering the enclosure.

🛠️ Furniture, Appliances & DIY Projects

Cover unused oval holes in furniture panels, home appliance housings, and DIY project enclosures for a clean finished appearance and to prevent debris accumulation inside the panel.

Material Rubber
Color Black
Type Closed blind plug (no cable pass-through)
Shape Oval / elongated rectangular
Size Range 13×27 mm, 20×35 mm, 20×44 mm, 20×45 mm, 20×50 mm, 23×46 mm, 25×40 mm, 25×60 mm, 26×55 mm, 30×85 mm, 35×75 mm, 35×100 mm, 37×75 mm, 40×83 mm, 40×110 mm, 50×75 mm
Installation Press-fit by hand, no tools required
Application Automotive panels, electrical enclosures, marine equipment, furniture, industrial machinery, home appliances
Temperature Range -40°F to 250°F (-40°C to 121°C)

❓ Frequently Asked Questions

How do I measure my hole to select the right size?

Measure the length (longer dimension) and width (shorter dimension) of the oval hole in your panel. Select the grommet size that matches or is very slightly larger than your hole dimensions—the rubber flange compresses against the panel edge to create a secure seal. If your hole falls between two sizes, size up for a tighter fit.

Is this a closed plug or does it have a cable pass-through opening?

This is a closed blind plug—it fully seals the hole with no opening for cables or wires. It is designed for blanking unused holes. If you need a grommet with a cable pass-through opening, you would need an open-center grommet instead.

Will this grommet fit holes in metal panels?

Yes. The rubber flange is designed to press-fit into holes in metal, plastic, and wood panels. The rubber compresses slightly against the hole edge to create a secure, rattle-free fit. For thin sheet metal panels, ensure the panel thickness falls within the grommet’s groove depth for a flush seat.

Is this suitable for outdoor or automotive use?

Yes. The rubber material is resistant to moisture, oil, and a wide temperature range (-40°F to 250°F), making it suitable for automotive firewall applications, outdoor electrical enclosures, and marine equipment. It will not harden or crack from temperature cycling under normal operating conditions.

Can I remove and reuse the grommet?

Yes. The press-fit design allows the grommet to be removed by hand or with a flat tool inserted under the flange edge. The rubber retains its shape after removal and can be reinserted in the same or a different hole of the same size.

Why use an oval grommet instead of a round one?

Round grommets cannot seal oval or elongated rectangular holes—they leave gaps at the ends of the opening. Oval grommets are shaped to match the hole geometry precisely, providing a complete seal across the full perimeter of the opening. Use oval grommets for any hole that is longer in one dimension than the other.

🛒 Select your size above, then add to cart.

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