SKU: 4506399758

MDF Radius Corners, J Corner (accepts 3/4" plywood), 3" Radius, 4 1/4"W x 1-11/16"D x 97"L

$87.30 $97.00
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Description

MDF Radius Corners, J Corner (accepts 3/4" plywood), 3" Radius, 4 1/4"W x 1-11/16"D x 97"LWhite River Hardwoods MDF Radius Corners Made in the USA 3 J Corner SKU 3J34 Accepts 3 4 Plywood 3 Radius 97 Length Double Refined MDF 4 1 4W 1 11 16D Ships LTL The J Corner profile at 3 radius for 3 4 plywood. The J Corner geometry wraps both the front face and the return of the corner delivering a more enclosed radius transition than the Econo Quarter Round for applications where the cabinet side panel is visible. Made in Fayetteville, AR The Only

White River Hardwoods · MDF Radius Corners · Made in the USA

3″ J Corner

SKU 3J34 · Accepts 3/4″ Plywood · 3″ Radius · 97″ Length

Double Refined MDF · 4 1/4″W × 1 11/16″D · Ships LTL


The J Corner profile at 3″ radius for 3/4″ plywood. The J Corner geometry wraps both the front face and the return of the corner — delivering a more enclosed radius transition than the Econo Quarter Round for applications where the cabinet side panel is visible.

Made in Fayetteville, AR · The Only National MDF Radius Corner Manufacturer in the USA

The J Corner wraps the radius and the return — a more complete corner solution for cabinetry where both faces of the corner are finished and visible.

Product Details

Dimensions & Specifications

SKU Profile Radius Accepts Width Depth Length
3J34 J Corner 3″ Radius 3/4″ plywood 4 1/4″ 1 11/16″ 97″

* Material: Double Refined MDF. Lead time: 7–10 business days. Ships LTL — minimum $45 freight. Street address required for delivery.

Why MDF Radius Corners

The Problem This Solves

⌒

J Corner — 3″ Radius

The J Corner profile encloses both the radius face and the side return of the corner in a single piece. Where the Econo Quarter Round covers the radius only, the J Corner profiles the full corner transition — the right choice when the cabinet side panel is a finished, visible surface.

▣

Double Refined MDF

Double Refined MDF machines cleanly, paints to a flawless finish, and holds its shape over time. No grain inconsistency, no void risk — just a consistent, dense substrate that takes primer and paint the way cabinetry demands. A surface indistinguishable from solid wood when properly primed and painted.

★

Only National Manufacturer

White River Hardwoods is the only national manufacturer of MDF radius corners in the USA — made in Fayetteville, AR. Consistent quality, reliable availability, and a supplier that has been delivering to the cabinetry industry nationally for decades.

⊞

Accepts 3/4″ Plywood

Engineered specifically for 3/4″ plywood box construction — the standard substrate for this profile. The plywood box butts cleanly into the radius corner without shimming, scribing, or custom fitting. One piece, right the first time.

Technical Specifications

Key Facts

Profile

J Corner

Radius

3″

Accepts

3/4″ Plywood

Width

4 1/4″

Depth

1 11/16″

Length

97″

Material

Double Refined MDF

Lead Time

7–10 Business Days

Made In

Fayetteville, AR

Installation

Working With Radius Corners

1

Plan Your Layout

Determine the location and orientation of each radius corner. The piece is 97″ long — cut to your finished height. Mark cut lines accurately before cutting; MDF does not forgive mis-cuts at visible faces.

2

Cut to Height

Cut with a fine-tooth carbide blade — MDF dulls blades quickly. Cut from the finish face to minimize tear-out. Support the full length when cutting to prevent binding and chipping at the cut line.

3

Dry Fit First

The 3/4″ plywood box should seat cleanly into the radius channel. Dry fit before applying any fasteners or adhesive — confirm seating depth and check that the radius face is flush with adjacent cabinet faces.

4

Fasten & Secure

Secure with construction adhesive and finish nails or screws through the cabinet box. Pre-drill to avoid splitting. Set fasteners slightly below the surface — MDF fills cleanly and holds fasteners well when properly pre-drilled.

5

Fill & Prime

Fill all nail holes and seams with lightweight filler. Sand flush when dry. Apply a quality MDF primer before finish coats — MDF is highly absorbent and requires a sealing primer coat for a smooth, paint-ready surface.

6

Finish to Match

Apply your chosen paint in thin, even coats over the primed surface. Two finish coats over primer is standard for a smooth painted cabinet finish. Sand lightly between coats with 220-grit.

Always Prime MDF Before Finishing

MDF is highly absorbent at cut edges and faces. A quality MDF-specific or high-build primer is essential before any finish coat. A properly primed MDF radius corner paints to a finish indistinguishable from solid wood — skipping the primer step results in an uneven surface that requires significant additional work to correct.

Shipping — LTL Freight

MDF Radius Corners ship via LTL freight. Freight is calculated by destination with a minimum charge of $45. If actual freight exceeds $45, a separate freight invoice will be emailed after your order is placed.

Important: LTL delivery requires a physical street address. We are unable to deliver to APO/FPO addresses or PO Boxes. Estimated lead time is 7–10 business days from order confirmation, subject to inventory availability.

3J34 — 3″ J Corner Radius, 3/4″ Plywood. Made in the USA.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4506399758

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Jenny
Belleville, US
★★★★★ 3
Sometimes they arrive chewy and great, other times stale and hard as a rock!
Size: 1 Count (Pack of 16)
My dog loves these added to her toys, but alot of time they arrive hard as a rock.
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Reviewed in the United States on December 26, 2025
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Kindle Customer
Lake Worth, US
★★★★★ 5
Greatest Dog Toy Ever
Best toy for doggy. She gets worn out playing and so entertaining for us to watch.
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Reviewed in the United States on May 17, 2026
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Janet
Boise, US
★★★★★ 1
Unsafe
This looked like a great idea for my energetic pup until I charged it and turned it on. It worked for maybe 3 minutes and she loved it while it was moving. It stopped suddenly and when I opened the Velcro to pull out the ball to check it, it was VERY warm. Unsafe for human or dog. For over $20 I would expect more for a dog toy. Cheap and non working! I will request a refund !
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Reviewed in the United States on February 17, 2026
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E.P.
Port Orchard, US
★★★★★ 5
Great For Dogs With High Prey Instincts
My high prey instinct, Husky/Malamute, loves it. The moment it started moving she was on it. Wouldn't let her brother near it. Not noisy. Has USB port so you can recharge it. It's Very cute. Easy to clean you just pop off the covering and toss it in the washer. Great Brain stimulation - that also allows them to get their energy out - without having to talk a long walk in the middle of winter. Just what I was looking for.
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Reviewed in the United States on February 6, 2026
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csr
Natrona Heights, US
★★★★★ 5
Love
Great little toy, the dogs really love it. Works great for kids also, they like to watch it wiggle around.
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Reviewed in the United States on June 1, 2026

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