A studio product shot of the Freud 18-122 round nose router bit at an angle, showing the solid carbide cutting head with red coating and the polished 1/2 inch steel shank.
A side-profile view of the Freud 18-122 3/8-inch radius round nose bit against a white background, highlighting the precision-ground carbide flutes and laser-etched model identification on the shank.
Retail clamshell packaging for the Freud 18-122 industrial round nose bit, highlighting the 3/8-inch radius, 3/4-inch diameter, and 1/2-inch shank size for professional woodworking.
A technical profile diagram for the Freud 18-122 core box bit, illustrating a precise 3/4-inch wide by 3/8-inch radius semi-circular concave cut in a wood workpiece.
Technical diagram duplicate of the Freud 18-122 round nose bit profile, emphasizing the exact 3/8-inch radius geometry used for decorative veining and fluted millwork.
An infographic showcasing materials compatible with Freud round nose router bits, including veneered plywood, hardwoods, softwoods, and composite materials.
An action-oriented shot of a Freud round nose bit mounted in a table router, performing a decorative fluting cut on the surface of a wooden board.
The official Freud Authorized Dealer logo in red, black, and silver, ensuring customers receive genuine industrial-quality solid carbide woodworking tools.
A studio product shot of the Freud 18-122 round nose router bit at an angle, showing the solid carbide cutting head with red coating and the polished 1/2 inch steel shank.
A side-profile view of the Freud 18-122 3/8-inch radius round nose bit against a white background, highlighting the precision-ground carbide flutes and laser-etched model identification on the shank.
Retail clamshell packaging for the Freud 18-122 industrial round nose bit, highlighting the 3/8-inch radius, 3/4-inch diameter, and 1/2-inch shank size for professional woodworking.
A technical profile diagram for the Freud 18-122 core box bit, illustrating a precise 3/4-inch wide by 3/8-inch radius semi-circular concave cut in a wood workpiece.
Technical diagram duplicate of the Freud 18-122 round nose bit profile, emphasizing the exact 3/8-inch radius geometry used for decorative veining and fluted millwork.
An infographic showcasing materials compatible with Freud round nose router bits, including veneered plywood, hardwoods, softwoods, and composite materials.
An action-oriented shot of a Freud round nose bit mounted in a table router, performing a decorative fluting cut on the surface of a wooden board.
The official Freud Authorized Dealer logo in red, black, and silver, ensuring customers receive genuine industrial-quality solid carbide woodworking tools.
Freud

Freud 18-122 3/8 Inch Radius Round Nose Core Box Router Bit 1/2 Inch Shank Solid Carbide for CNC Engraving Sign Lettering and Fluted Millwork

In stock
SKU: 18-122
$30.95
$34.99 Sale $30.95

Description

Master Precision Engraving and Fluting with the Freud 18-122 Round Nose Bit

The Freud 18-122 Round Nose Bit is the professional’s choice for adding intricate, engraved details to high-end cabinet doors, drawer fronts, and decorative millwork. Often referred to as a "Core Box" bit, this tool is engineered to produce flawless concave flutes and decorative veining in a wide range of materials. Whether you are crafting custom signs with detailed lettering or adding architectural fluted accents to moldings, this solid carbide bit ensures a mirror-smooth finish every time.

Forged from Freud Premier Solid Carbide, the 18-122 is designed for maximum tool life and surgical precision. Its specialized geometry allows for clean cuts in hardwoods, softwoods, plywood, and composite materials, making it highly versatile for any shop. This bit is perfectly balanced to run at high speeds up to 24,000 RPM, delivering vibration-free performance in CNC machines, hand-held routers, and table-mounted setups. Elevate your craftsmanship by incorporating the refined, rounded profiles that only an industrial-grade Freud bit can provide. 

Key Features

  • Premium Solid Carbide: Manufactured from Freud's proprietary high-density carbide for extended cutting life and superior finish.
  • Versatile Application: Perfect for creating decorative flutes, intricate sign lettering, veining, and unique core box profiles.
  • Multi-Machine Compatible: Engineered for peak performance in CNC, automatic, hand-held, and table-mounted routers.
  • Vibration-Free Cutting: Precision-balanced design ensures smooth operation even at high-speed industrial rotations.
  • Comprehensive Material Reach: Effortlessly routs hardwood, softwood, plywood, and various wood composites.

What's Included

  • (1) Freud 18-122 3/8" Radius Round Nose Router Bit

Specifications

Model Number 18-122
Radius (R) 3/8 in
Shank Diameter (A) 1/2 in
Overall Diameter (D) 3/4 in
Carbide Height (h) 1-1/4 in
Overall Length (H) 2-13/16 in
Number of Cutters 2
Max RPM 24,000
Bit Material Solid Carbide
Bit Profile Round Nose / Core Box
Brand Freud

Pro-Tip: When routing deep flutes or sign lettering in hardwoods, make multiple light passes rather than one single deep cut. This technique prevents burning, reduces strain on your router, and leaves a much smoother final surface that requires almost no sanding.