Free shipping $199+ · West Coast, AK & HI $399+

In stock: bulk grommets & bumpers, case pricing

Bulk discounts offered. View price breakdown on product page.

  • High Quality Products

    Durable high quality products.

  • Fast, Free shipping

    East & Central US orders over $199. West Coast, AK & HI over $399.

  • Low Prices

    Low prices offered to everyone.
2-1/2" Groove Rubber Grommets for 2-1/2" Panel Holes

2-1/2" Groove Rubber Grommets – Perfect for 2-1/2" Panel Holes

(3 products)

3 sizesfrom $1.40ships from Elgin, SCbulk pricing from 50+

2-1/2 inch (2.5") rubber grommets: 3 sizes from $1.75, each with a 2-1/2" groove diameter that snaps into a 2-1/2" panel hole. Sold individually with bulk pricing from 50 pieces of a size, applied automatically in the cart. Orders ship from Elgin, SC, usually within 24 hours.

Shop our 2-1/2" Groove Diameter Rubber Grommets. Can be used to seal holes on PVC pipes, protect wires from sharp objects, reinforce walls, and more. Ideal for automotive, electrical, and industrial applications requiring high durability.

Grommet sizes on this page (3)
Inside diameter Groove width (panel thickness)
2" 1/4"
2-1/4" 1/4"
2-1/4" 3/8"
2-1/2" Groove Rubber Grommets FAQ

Is a 2-1/2" rubber grommet sized by the hole or the inside diameter?
On this page 2-1/2" is the hole size (the groove diameter). If you need a 2-1/2" opening for the wire or hose, you want a 2-1/2" inside diameter instead, which fits 2-3/4" and 3" holes; see the rubber grommet size chart.

Which inside diameters fit a 2-1/2" hole?
In stock for a 2-1/2" hole: 2" and 2-1/4" inside diameter, with groove widths of 1/4" and 3/8". Match the groove width to your panel thickness.

Sizing help: How to measure a grommet · All guides & size charts

Buying 500+? Case pricing on in-stock grommets & bumpers

Live stock counts, case packs and a quote form for 10,000+.

Bulk case pricing
View as

Applications

  • Can be used to seal holes on PVC pipes, protect wires from sharp objects, reinforce walls, and more.

2-1/2" Groove Rubber Grommets: questions

Is a 2-1/2" rubber grommet sized by the hole or the inside diameter?
On this page 2-1/2" is the hole size (the groove diameter). If you need a 2-1/2" opening for the wire or hose, you want a 2-1/2" inside diameter instead, which fits 2-3/4" and 3" holes; see the rubber grommet size chart.
Which inside diameters fit a 2-1/2" hole?
In stock for a 2-1/2" hole: 2" and 2-1/4" inside diameter, with groove widths of 1/4" and 3/8". Match the groove width to your panel thickness.
How does bulk pricing work?
Bulk discounts apply automatically in the cart, per item: 50+ pieces save 10%, 500+ save 20%, 1,000+ save 30%, 2,500+ save 40% and 5,000+ save 50%. Each product page shows the price at every tier.
How fast do orders ship?
Orders usually ship within 24 hours of being placed, by UPS or FedEx with a tracking number, from our warehouse in Elgin, South Carolina. <a href="/pages/shipping-policy">Shipping policy</a>
Can I return parts I don't need?
Yes, within 30 days of delivery. Email us for an RMA number first; items must be in the condition received, with all parts and the original packaging. Refunds may carry a 15% restocking fee (exchanges do not), and the buyer pays return shipping unless the problem is our fault. <a href="/pages/return-policy">Return policy</a>

Grommet Size Finder

Enter your hole size and panel thickness to see every grommet that fits.

Bulk case pricing · Printable grommet size chart

Compare /3
🎉 App-only discount applied at checkout