Studio product view of the Freud 18-110 router bit, featuring a 1/4 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 5/16 inch radius tip.
Retail packaging for the Freud 18-110 round nose bit, showing the red and black industrial branding, a diagram of the 5/16 inch radius profile, and icons indicating the 1/4 inch shank and TiCo carbide.
Technical diagram illustrating the cutting profile of the Freud 18-110 core box bit, showing a cross-section of a U-shaped groove cut into wood with a 5/8 inch width and a 5/16 inch radius.
Studio product view of the Freud 18-110 router bit, featuring a 1/4 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 5/16 inch radius tip.
Studio product view of the Freud 18-110 router bit, featuring a 1/4 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 5/16 inch radius tip.
Retail packaging for the Freud 18-110 round nose bit, showing the red and black industrial branding, a diagram of the 5/16 inch radius profile, and icons indicating the 1/4 inch shank and TiCo carbide.
Technical diagram illustrating the cutting profile of the Freud 18-110 core box bit, showing a cross-section of a U-shaped groove cut into wood with a 5/8 inch width and a 5/16 inch radius.
Studio product view of the Freud 18-110 router bit, featuring a 1/4 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 5/16 inch radius tip.
Freud

Freud 18-110 5/8 Inch Round Nose Router Bit 5/16 Inch Radius 1/4 Inch Shank Premier Solid Carbide Core Box Fluting Sign Making Relief Engraving

In stock
SKU: 18-110
$21.79 USD

Description

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Master Intricate Fluting and Professional Signage with Freud's Solid Carbide Precision

The Freud 18-110 Round Nose Router Bit is an essential tool for craftsmen looking to add sophisticated engraved details to cabinet doors, drawer fronts, and custom millwork. Often referred to by professionals as a "Core Box" bit, this specialized tool features a 5/8-inch overall diameter and a precise 5/16-inch radius designed to produce perfectly smooth, semi-circular grooves. Whether you are a sign maker carving high-visibility relief lettering or a furniture builder adding elegant fluted accents to pilasters and moldings, this bit delivers the crisp, clean finish required for high-end results.

Constructed from Freud Premier Solid Carbide, the 18-110 is engineered for maximum durability and superior edge retention compared to standard tipped bits. Its rigid solid construction significantly reduces vibration and chatter, ensuring flawless performance even at high speeds of up to 24,000 RPM. This versatile bit is optimized to cut through a variety of materials including hardwood, softwood, plywood, and composites, making it a reliable staple for production CNC operations, hand-held routing, or table-mounted setups.

Key Features

  • Premier Solid Carbide Construction: Provides exceptional strength and maintains a razor-sharp edge for professional-grade results.
  • Decorative Fluting Specialist: Perfect for creating beautiful, deep engraved flutes in doors, drawer fronts, and decorative molding.
  • Professional Sign Lettering: The ideal geometry for routing highly readable and artistic sign lettering.
  • Broad Material Versatility: Effortlessly routs through hardwood, softwood, plywood, and various composite materials.
  • Universal Machine Compatibility: Designed for use on CNC and automatic routers, as well as hand-held and table-mounted portable routers.
  • Dual Cutter Design: Features two high-performance cutters for efficient material removal and a smoother surface finish.
  • Precision Balanced: Engineered to run smoothly at industrial speeds up to 24,000 RPM.

What's Included

  • (1) Freud 18-110 5/8" Diameter Round Nose Router Bit (1/4" Shank)

Specifications

Manufacturer Freud
Model Number 18-110
Overall Diameter (D) 5/8"
Radius (R) 5/16"
Shank Diameter (A) 1/4"
Carbide Height (h) 7/16"
Overall Length (H) 2"
Number of Cutters 2
Maximum RPM 24,000
Bit Construction Premier Solid Carbide
Pro-Tip: When routing deep decorative flutes, use a plunge router and make the cut in multiple shallow passes rather than one single deep plunge. This ensures the best chip evacuation and prevents heat buildup, resulting in a perfectly smooth radius that requires almost no final sanding.