Studio shot of the Freud 39-502 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top ball bearing pilot on the shank, and carbide cutters.
Technical profile diagram illustrating the decorative cove and bead groove cut into wood by the Freud 39-502 bit, showing the top-mounted template guide.
Studio shot of the Freud 39-502 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top ball bearing pilot on the shank, and carbide cutters.
Studio shot of the Freud 39-502 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top ball bearing pilot on the shank, and carbide cutters.
Technical profile diagram illustrating the decorative cove and bead groove cut into wood by the Freud 39-502 bit, showing the top-mounted template guide.
Studio shot of the Freud 39-502 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top ball bearing pilot on the shank, and carbide cutters.
Freud

Freud Router Bit 39-502 3/4 In Dia 1/4 In Shank Top Bearing Cove Bead (24000 RPM TiCo Carbide Perma-SHIELD Template Decorative Millwork Tool)

Only 1 left
SKU: 39-502
$30.29 USD

Description

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Precision Freud 3/4 Inch Top Bearing Cove and Bead Groove Router Bit 39-502 with 1/4 Inch Shank

The Freud 39-502 3/4-Inch Diameter Top Bearing Cove and Bead Groove Router Bit functions as a commercial-grade template routing tool engineered to execute plunge cuts and trace top-mounted patterns for decorative architectural profiles on cabinet doors, drawer fronts, and custom millwork. Manufactured with micrograin TiCo High-Density Carbide cutters coated in friction-reducing Red Perma-SHIELD non-stick finish, this 1/4-inch shank bit features a shank-mounted steel ball bearing pilot, a 7/16-inch carbide height, and a 24,000 RPM maximum speed rating. Compatible with handheld portable routers and router table setups, this two-cutter pattern bit delivers precise template-guided tracking across solid hardwoods, softwoods, plywood, and wood composites.

Best Used For:

  • Top-Template Cabinet Door Profiling: Tracing patterns mounted on top of workpieces to plunge-rout decorative flat-bottom cove and bead grooves into cabinet panel faces.
  • Architectural Drawer Front Detailing: Milling uniform decorative surface channels and classic border profiles across hardwood drawer fronts using overhead jigs.
  • Custom Millwork & Faux Panel Routing: Following template curves to cut detailed architectural accent grooves into furniture components without edge fences.

Key Performance & Safety Features

  • Top Shank-Mounted Ball Bearing: Overhead pilot bearing tracks templates secured on top of the workpiece for direct visual alignment during plunge routing.
  • Cove and Bead Profile Geometry: Cuts a classical dual-radiused profile with a flat bottom for decorative architectural panel accents.
  • TiCo High-Density Micrograin Carbide: Proprietary titanium-cobalt carbide formulation maintains razor-sharp edges up to four times longer than standard carbide bits.
  • Red Perma-SHIELD Thermal Barrier Coating: Non-stick fluoropolymer coating insulates the bit body against heat buildup, pitch accumulation, and rust corrosion.
  • Computer-Balanced Dynamically Balanced Body: Precision-balanced tool body eliminates vibration and chatter marks at speeds up to 24,000 RPM.
  • Universal 1/4-Inch Shank Profile: Fits standard 1/4-inch router collets across handheld plunge routers and table-mounted router setups.

What's Included

  • (1) Freud 39-502 3/4" Diameter Top Bearing Cove and Bead Groove Router Bit with 1/4" Shank

Technical Specifications

Brand Name Freud
Model Number SKU 39-502
Product Tool Classification Top Bearing Cove and Bead Groove Router Bit
Overall Cut Diameter (D) 0.750 in. (3/4 in.)
Shank Diameter (A) 0.250 in. (1/4 in.)
Carbide Cutting Height (h) 0.4375 in. (7/16 in.)
Overall Bit Length (H) 2.125 in. (2-1/8 in.)
Small Radius Profile (R2) 0.09375 in. (3/32 in.)
Large Radius Profile (R1) 0.125 in. (1/8 in.)
Small Tip Diameter (n) 0.250 in. (1/4 in.)
Number of Cutting Flutes 2 Carbide Wings
Maximum Rotational Speed 24,000 RPM
Protective Body Finish Red Perma-SHIELD Non-Stick Coating
Carbide Grade Composition TiCo High-Density Micrograin Carbide
Machine Equipment Compatibility Handheld Plunge Routers, Router Tables
Target Substrates Hardwood, Softwood, Cabinet Plywood, MDF, Wood Composites

Pro-Tip: When routing top-template decorative grooves into cabinet panels, secure your MDF template to the workpiece using double-sided woodworking tape. Ensure the template stock is at least 1/4-inch thick so the shank-mounted ball bearing makes full surface contact with the pattern edge before the carbide cutters engage the wood.