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1-1/4" Hole Rubber Panel Plugs for 1/8" Panels Knockout Fabrication Panel Seals

Description
These solid rubber panel plugs provide a clean, flush finish for unused holes in thin panels.
Sized for 1-1/4" openings in 1/8" material, they press in securely to block dust, debris, and
airflow while protecting sharp edges. The flexible rubber body absorbs vibration and improves
safety on metal, plastic, and composite panels. Built for fabrication shops, enclosures,
and repair work where a professional finish matters.

Specifications
Hole fit: 1-1/4" (32 mm) for 1/8" panels
Material: Black silicone rubber
Hardness: 60–65 Shore A
Design: Blind grommet / knockout plug
Head style: Flat / flush-mount
Function: Hole sealing, edge protection, dust control
Surface types: Metal, plastic, composite panels
Use environment: Indoor / outdoor light industrial

Key Uses
• Fabrication and sheet-metal projects
• Electrical and equipment enclosures
• Auto body panels and firewall knockouts
• Industrial cabinets and housings

Package Options
• Multiple pack sizes available.
• Please use the drop-down box for needed quantity.
• Second quantity option offers the best balance of price and quantity.

Service
Ships from California, USA warehouse
Same-day handling on most weekday orders
Tracking uploaded quickly after shipment
51,000 buyers' reviews
99.8 percent positive feedback
Free shipping with tracking included

Product Specs
Item Thickness: 9/32"
Shape: Round
MPN: Not applicable
Item Length: NA
Temperature resistance: -40C to 120C/-40F to 250F
Gauge: NA
Screw Size: NA
Drive Style: Push-in
Unit Type: Unit
Mandrel Material: NA
Grip Range: 1/8" Wide groove
Number in Pack: Various pack sizes available

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We ship every day Monday - Friday.

PayPal is the preferred payment method.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

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These solid rubber panel plugs seal unused holes with a clean, flush finish. Designed for
1-1/4" (32 mm) openings in 1/8" (3 mm) material, they snap in securely to block dust and
airflow while protecting sharp panel edges.

The flexible rubber absorbs vibration and resists wear, making them ideal for knockout
holes in metal, plastic, and composite panels where a durable, professional result is
required.

Commonly used in fabrication shops, equipment enclosures, and auto body repair.
Designed for MRO teams and technicians working in inch and metric systems.