Freud Router Bit 18-510 5/16 Inch Radius Round Nose Core Box (1/4 Inch Shank 5/8 Diameter TiCo Carbide 24000 RPM Sign Lettering Fluted Millwork)

Freud 18-510 5/16 Inch Radius Round Nose Core Box Router Bit

The Freud 18-510 is a 5/8-inch overall diameter round nose core box router bit engineered to rout deep U-shaped channels, fluted column grooves, and precision sign lettering. Featuring a 1/4-inch shank and dual-flute core box geometry, this 2-cutter tool carves 5/16-inch radius concave profiles with clean bottom clearance across flat panel surfaces. Tipped with TiCo™ Hi-Density Micrograin Carbide, it operates at speeds up to 24,000 RPM across solid hardwoods, softwoods, plywood, and composites in CNC machinery, handheld routers, or router tables.

Best Used For:

• Fluted Architectural Millwork: Milling smooth 5/16-inch radius parallel U-grooves on cabinet stiles, pilasters, and fireplace mantels.
• Precision Sign Lettering & Veining: Carving rounded letter profiles, wall plaque borders, and face channels into solid hardwood and composite panels.
• Juice Groove & Tray Milling: Routing perimeter liquid channels and shallow dished trays on cutting boards and wooden serving platters.

Key Performance & Safety Features

• Precision 5/16-Inch Radius Profile: Dual-flute round nose geometry carves smooth, uniform U-grooves with zero side-wall tearout.
• TiCo™ Hi-Density Micrograin Carbide: Custom-formulated industrial carbide tips provide high wear resistance and extended edge retention.
• Computer-Balanced Anti-Vibration Design: Precision body balance ensures chatter-free passes and smooth operation at speeds up to 24,000 RPM.
• Shear Angle Cutting Geometry: Slices wood fibers cleanly to eliminate grain fuzzing and reduce post-routing sanding steps.
• Multi-Machine Operational Utility: Formulated for stable performance in automatic CNC routers, portable handheld routers, and stationary tables.
• Multi-Material Cutting Range: Executes clean cuts in solid hardwoods, softwoods, cabinet-grade plywood, MDF, and composite wood panels.

What's Included

• (1) Freud 18-510 5/16" Radius Round Nose Core Box Router Bit with 1/4" Shank

Technical Specifications

Pro-Tip: When routing parallel flutes or deep sign characters, clear chips frequently and take multiple shallow depth passes rather than a single full-depth cut to eliminate heat friction and preserve cutter edge sharpness.