A high-resolution studio photograph of the Freud 18-510 round nose router bit, showcasing its red cutting head with a rounded carbide tip, a top-mounted steel ball bearing for template guidance, and a 1/4 inch polished steel shank.
A technical diagram illustrating the cutting profile of the Freud 18-510 bit, showing a cross-section of wood with a 5/8 inch wide U-shaped groove and a 5/16 inch radius, guided by a grey template at the top.
A high-resolution studio photograph of the Freud 18-510 round nose router bit, showcasing its red cutting head with a rounded carbide tip, a top-mounted steel ball bearing for template guidance, and a 1/4 inch polished steel shank.
A technical diagram illustrating the cutting profile of the Freud 18-510 bit, showing a cross-section of wood with a 5/8 inch wide U-shaped groove and a 5/16 inch radius, guided by a grey template at the top.
Freud

Freud 18-510 5/16 Inch Radius Round Nose Router Bit 1/4 Inch Shank 5/8 Diameter TiCo Carbide Core Box Tool for Sign Making and Fluted Millwork

Only 2 left
SKU: 18-510
$29.99 USD

Description

Create Elegant Architectural Detail with Freud’s Industrial Round Nose Core Box Bit

The Freud 18-510 5/16" Radius Round Nose Bit is the professional’s choice for adding sophisticated engraved details to high-end cabinetry, furniture, and millwork. Commonly referred to as a "Core Box" bit, this versatile tool is specifically engineered to rout clean, U-shaped grooves for fluted columns, decorative veining, and drawer fronts. Its specialized geometry also makes it one of the most effective bits for precision sign lettering, allowing you to create smooth, rounded characters that pop with industrial clarity.

Forged from Freud Premier TiCo™ Hi-Density Carbide, this bit is designed to maintain a razor-sharp edge significantly longer than standard cutters, even when working through abrasive composites or dense hardwoods. Each bit is individually computer-balanced to eliminate vibration and chatter, ensuring a glass-smooth finish that requires virtually no sanding. Whether you are running high-speed production on a CNC machine or performing custom work with a hand-held or table-mounted router, the 18-510 delivers the accuracy and durability that master woodworkers demand.

Key Features

  • TiCo™ Hi-Density Carbide: Specialized industrial carbide for maximum durability and a sharper, longer-lasting cutting edge.
  • Precision Fluting: Ideal for creating beautiful engraved flutes in doors, drawer fronts, and decorative moldings.
  • Expert Sign Making: Optimized profile makes it the go-to tool for high-visibility sign lettering and intricate veining.
  • Multi-Material Mastery: Routs hardwood, softwood, plywood, and all composition materials with ease.
  • Universal Machine Use: Fully compatible with CNC, automatic routers, and hand-held or table-mounted portable routers.
  • Computer Balanced: Precision-ground and balanced to ensure vibration-free operation at speeds up to 24,000 RPM.

What's Included

  • (1) [Freud 18-510](http://googleusercontent.com/shopping_content/11_link) 5/16" Radius Round Nose Router Bit

Specifications

Radius (R) 5/16 Inch
Overall Diameter (D) 5/8 Inch
Shank Diameter (A) 1/4 Inch
Carbide Height (h) 7/16 Inch
Overall Length (H) 2-11/32 Inches
Number of Cutters 2
Maximum RPM 24,000 RPM
Bit Material TiCo™ Hi-Density Carbide
Country of Origin Italy
UPC 008925020226
Pro-Tip: To achieve a "plunge" effect without burning the wood, always keep the router moving once the bit enters the material. For sign making, use a template or a CNC path to maintain consistent pressure, which ensures the rounded "core box" profile remains uniform throughout the entire letter or groove.