A studio product photograph of the Freud 39-504 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top-mounted silver ball bearing, and specialized carbide cutters on a 3/8 inch shank.
A technical profile diagram for the Freud 39-504 bit illustrating a decorative cove and bead groove cut into wood, specifying a 1-7/64 inch width and multiple radii, with a grey template box indicating guide placement.
A studio product photograph of the Freud 39-504 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top-mounted silver ball bearing, and specialized carbide cutters on a 3/8 inch shank.
A studio product photograph of the Freud 39-504 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top-mounted silver ball bearing, and specialized carbide cutters on a 3/8 inch shank.
A technical profile diagram for the Freud 39-504 bit illustrating a decorative cove and bead groove cut into wood, specifying a 1-7/64 inch width and multiple radii, with a grey template box indicating guide placement.
A studio product photograph of the Freud 39-504 Cove and Bead Groove router bit featuring a red Perma-SHIELD body, top-mounted silver ball bearing, and specialized carbide cutters on a 3/8 inch shank.
Freud

Freud Router Bit 39-504 1-7/64 In Dia 3/8 In Shank Top Bearing Cove Bead (18000 RPM TiCo Carbide Perma-SHIELD Template Decorative Millwork Tool)

Only 1 left
SKU: 39-504
$28.79 USD

Description

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Precision Freud 1-7/64 Inch Top Bearing Cove and Bead Groove Router Bit 39-504 with 3/8 Inch Shank

The Freud 39-504 1-7/64-Inch Diameter Top Bearing Cove and Bead Groove Router Bit operates 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 intermediate 3/8-inch shank bit features a shank-mounted steel ball bearing pilot, a 1/2-inch carbide height, and an 18,000 RPM maximum speed rating. Compatible with handheld portable routers and router table setups equipped with a 3/8-inch collet, 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 wide 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.
  • Intermediate 3/8-Inch Steel Shank: Designed specifically for 3/8-inch router collets to provide increased rigidity over standard 1/4-inch shank bits.
  • Computer-Balanced Dynamically Balanced Body: Precision-balanced tool body eliminates vibration and chatter marks at speeds up to 18,000 RPM.

What's Included

  • (1) Freud 39-504 1-7/64" Diameter Top Bearing Cove and Bead Groove Router Bit with 3/8" Shank

Technical Specifications

Brand Name Freud
Model Number SKU 39-504
Product Tool Classification Top Bearing Cove and Bead Groove Router Bit
Overall Cut Diameter (D) 1.109375 in. (1-7/64 in.)
Shank Diameter (A) 0.375 in. (3/8 in.)
Carbide Cutting Height (h) 0.500 in. (1/2 in.)
Overall Bit Length (H) 2.250 in. (2-1/4 in.)
Large Radius Profile (R1) 0.15625 in. (5/32 in.)
Small Radius Profile (R2) 0.125 in. (1/8 in.)
Small Tip Diameter (n) 0.65625 in. (21/32 in.)
Number of Cutting Flutes 2 Carbide Wings
Maximum Rotational Speed 18,000 RPM (Speed Adjustment Required)
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 with 3/8" Collet
Target Substrates Hardwood, Softwood, Cabinet Plywood, MDF, Wood Composites

Pro-Tip: When routing top-template decorative grooves into cabinet panels with this 3/8-inch shank bit, make sure your router is fitted with a dedicated 3/8-inch collet rather than a reduction bushing. Using a true 3/8-inch collet maximizes clamping surface area, keeping the shank-mounted top bearing tracking smoothly without slip at 18,000 RPM.