Studio product view of the Freud 18-115 router bit, featuring a 1/2 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 3/16 inch radius tip.
Studio product view of the Freud 18-115 router bit, featuring a 1/2 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 3/16 inch radius tip.
Retail packaging for the Freud 18-115 round nose bit, showing the red and black industrial branding, a diagram of the 3/16 inch radius profile, and icons indicating the 1/2 inch shank and TiCo carbide.
Technical diagram illustrating the cutting profile of the Freud 18-115 core box bit, showing a cross-section of a U-shaped groove cut into wood with a 3/8 inch width and a 3/16 inch radius.
Studio product view of the Freud 18-115 router bit, featuring a 1/2 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 3/16 inch radius tip.
Studio product view of the Freud 18-115 router bit, featuring a 1/2 inch silver shank and a red Perma-SHIELD coated round nose cutting head with a 3/16 inch radius tip.
Retail packaging for the Freud 18-115 round nose bit, showing the red and black industrial branding, a diagram of the 3/16 inch radius profile, and icons indicating the 1/2 inch shank and TiCo carbide.
Technical diagram illustrating the cutting profile of the Freud 18-115 core box bit, showing a cross-section of a U-shaped groove cut into wood with a 3/8 inch width and a 3/16 inch radius.
Freud

Freud 18-115 3/8 Inch Round Nose Router Bit 3/16 Inch Radius 1/2 Inch Shank Premier Solid Carbide Core Box Fluting Sign Making Relief Engraving

Only 1 left
SKU: 18-115
$21.99 USD

Description

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Master Intricate Decorative Details with Freud's Solid Carbide Round Nose Precision

The Freud 18-115 Round Nose Router Bit is the professional's choice for adding sophisticated engraved details to cabinet doors, drawer fronts, and custom fluted millwork. Often referred to as a "Core Box" bit, this specialized tool features a precise 3/16-inch radius designed to produce perfectly smooth, semi-circular grooves. Whether you are a professional sign maker carving high-visibility relief lettering or a furniture builder adding elegant fluted accents to moldings, this bit delivers the crisp, burn-free finish required for high-end results.

Constructed from Freud Premier Solid Carbide, the 18-115 is engineered for maximum durability and superior edge retention compared to standard tipped bits. Its rigid solid construction and 1/2-inch shank significantly reduce 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 wide range 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: Provides exceptional strength and maintains a razor-sharp edge for professional-grade results.
  • Decorative Fluting Specialist: Perfect for creating beautiful, precise engraved flutes in doors, drawer fronts, and 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.
  • Stability-Focused 1/2" Shank: Provides a more secure grip and reduced vibration during demanding routing tasks.

What's Included

  • (1) Freud 18-115 3/8" Diameter Round Nose Router Bit (1/2" Shank)

Specifications

Manufacturer Freud
Model Number 18-115
Overall Diameter (D) 3/8"
Radius (R) 3/16"
Shank Diameter (A) 1/2"
Carbide Height (h) 3/8"
Overall Length (H) 2-1/4"
Number of Cutters 2
Maximum RPM 24,000
Bit Construction Premier Solid Carbide
Pro-Tip: To achieve a perfectly smooth, glass-like finish inside fluted grooves, always perform a final "climb cut" pass. Set your router depth a fraction of a millimeter shallower than your final depth for the initial material removal, then finish with one light, continuous pass to eliminate any tooling marks.