SKU: 88358947652

Freud 20-320 3/4 Inch Radius V Groove Router Bit 3/8 Inch Radius 1/4 Inch Shank CNC Decorative Carving Signmaking Fluting Perma-SHIELD

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Description

Freud 20-320 3/4 Inch Radius V Groove Router Bit 3/8 Inch Radius 1/4 Inch Shank CNC Decorative Carving Signmaking Fluting Perma-SHIELDAdd Elegant Detail and Fluting with Freud's Precision 3 8 Inch Radius V Groove Bit Transform ordinary woodworking projects into decorative masterpieces with the Freud 20 320 3 4 Inch Diameter Radius V Groove Router Bit. This versatile tool is designed to cut smooth, rounded grooves that are perfect for creating intricate rosettes, fluted columns, and decorative veins in cabinet doors and millwork. Unlike standard V groove bits that leave a sharp

Add Elegant Detail and Fluting with Freud's Precision 3/8-Inch Radius V-Groove Bit

Transform ordinary woodworking projects into decorative masterpieces with the Freud 20-320 3/4-Inch Diameter Radius V-Groove Router Bit. This versatile tool is designed to cut smooth, rounded grooves that are perfect for creating intricate rosettes, fluted columns, and decorative veins in cabinet doors and millwork. Unlike standard V-groove bits that leave a sharp bottom, the 3/8-inch radius on this bit produces a soft, curved profile, adding a sophisticated touch to signs, spheres, and exposed joinery. It performs exceptionally well across a wide range of materials, including hardwood, softwood, plywood, composites, and plastics.

Engineered for professional durability, the 20-320 features Freud's exclusive TiCo Hi-Density Carbide, which ensures a razor-sharp edge that stays sharper longer than standard bits. The bit is fully encased in Freud's signature Red Perma-SHIELD® Non-Stick Coating, a high-performance thermal barrier that prevents heat buildup, rust, and pitch accumulation—critical factors when routing deep decorative grooves. With a standard 1/4-inch shank, this bit provides stable, chatter-free operation in CNC machines, as well as hand-held and table-mounted routers, delivering a flawless finish every time.

Key Features

  • Radius Profile: 3/8-inch radius creates smooth round-over grooves, spheres, and rosettes.
  • Perma-SHIELD® Coating: Non-stick red coating resists heat, rust, and pitch buildup.
  • TiCo Hi-Density Carbide: Specially formulated carbide maximizes cutting life and finish quality.
  • Versatile Material Compatibility: Cuts cleanly through plywood, hardwoods, softwoods, plastics, and composites.
  • Multi-Machine Use: Designed for use on CNC, hand-held, and table-mounted routers.
  • Decorative Applications: Ideal for sign making, fluting, and architectural millwork.
  • 1/4-Inch Shank: Compatible with most trim routers and standard 1/4-inch collets.

What's Included:

  • (1) 3/4" Dia. Radius V-Groove Router Bit with 1/4" Shank (20-320)

Specifications

Manufacturer Freud
Part Number 20-320
Bit Type Radius V-Groove
Overall Diameter (D) 3/4 Inch
Radius (R) 3/8 Inch
Shank Diameter (A) 1/4 Inch
Carbide Height (h) 5/8 Inch
Overall Length (H) 2 Inches
Number of Cutters 2
Coating Perma-SHIELD® Non-Stick
Pro-Tip: This bit is excellent for creating fluted pilasters or columns. To get the best finish without burning the wood, especially at the "bottom" of the radius where cutter speed is slowest, make the cut in multiple shallow passes rather than one deep plunge. This allows the chips to clear and keeps the carbide cool.
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: 88358947652

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Amazon Customer
Alexandria, US
★★★★★ 5
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Color: Blue
My dog plays with this for hours!
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Reviewed in the United States on May 14, 2026
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Chelsea H.
Port Orchard, US
★★★★★ 4
I wouldn’t recommend this for strong chewers.
Color: Orange, Color: Orange
Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.
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Reviewed in the United States on May 5, 2026
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Charlie
Carnegie, US
★★★★★ 5
Interactive puppy fun
Color: Blue
Pups love this and I enjoy watching them have so much fun. Serious playtime followed by a well earned nap!
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Reviewed in the United States on May 4, 2026
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Nala Nose Best 🐾
Lake Worth, US
★★★★★ 3
Well-designed and quiet, but didn’t keep my dog interested
Color: Blue
My dog was interested in this at first, but she would lose interest after a few minutes and move on. I do like that it’s quieter than the hard plastic ball toys, and the charge lasts well. The internal charging port that twists closed is also a nice design feature. That said, it will occasionally turn on by itself, which can be a little surprising. Overall, it has some nice features, but it just didn’t keep my dog engaged.
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Reviewed in the United States on April 30, 2026
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OhCaptainMyCaptain
Los Angeles, US
★★★★★ 1
Good - for a few hours
Color: Blue, Color: Blue
Concept is fantastic. Dog loved it. Problem is that she figured out how to open it within two hours of play. The robot core, alas, did not survive. In the photo, you see a tooth went cleanly into the button and that was the end of the toy.
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Reviewed in the United States on May 17, 2026

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