Freud Router Bit 39-100 3/4 Inch Dia 1/4 Inch Shank Cove Bead Groove (24000 RPM TiCo Carbide Perma-SHIELD Surface Molding Cabinet Panel Tool)
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Precision Freud 3/4 Inch Cove and Bead Groove Router Bit 39-100 with 1/4 Inch Shank
The Freud 39-100 3/4-Inch Diameter Cove and Bead Groove Router Bit functions as a high-precision surface grooving and decorative edge-milling tool engineered to cut classical 3/32-inch radius cove-and-bead profiles into the face or edge of solid hardwoods, softwoods, cabinet plywood, and wood composites. 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 9/16-inch minor diameter, a 3/8-inch carbide cutting height, and a 24,000 RPM maximum speed rating. Compatible with CNC machinery, handheld portable routers, and router table setups with edge guides, this dual-flute shearing bit removes face stock cleanly to eliminate surface tear-out across faux panel cabinet doors, drawer fronts, and decorative architectural millwork.
Best Used For:
- Architectural Cabinet Face Grooving: Plunge-routing decorative cove-and-bead detail channels across solid wood cabinet door panels, drawer fronts, and wainscoting.
- Guided Surface & Edge Mold Milling: Running along router table fences or straightedge guides to profile decorative border moldings on display plaques and furniture panels.
- CNC Fluting & Millwork Detailing: Executing automated high-speed surface fluting and decorative channel cuts across cabinet plywood and MDF stock.
Key Performance & Safety Features
- TiCo High-Density Micrograin Carbide: Proprietary titanium-cobalt carbide formulation maintains razor-sharp edges up to four times longer than standard carbide.
- Red Perma-SHIELD Thermal Barrier Coating: Non-stick fluoropolymer coating insulates the bit body against heat buildup, pitch accumulation, and rust corrosion.
- Precision Plunge-Capable Geometry: Designed for smooth center plunging and continuous surface grooving without chatter or bottom-corner burning.
- Multi-Platform Equipment Versatility: Precision-balanced body operates smoothly across CNC spindles, handheld routers, and router table setups.
- High-Speed 24,000 RPM Stability Rating: Computer-balanced tool body eliminates vibration and chatter marks for an extra-fine surface finish at maximum router speeds.
- Universal 1/4-Inch Shank Profile: Fits standard 1/4-inch collet assemblies across compact palm trimmers, handheld plunge routers, and CNC collets.
What's Included
- (1) Freud 39-100 3/4" Diameter Cove and Bead Groove Router Bit (1/4" Shank)
Technical Specifications
| Brand Name | Freud |
| Model Number SKU | 39-100 |
| Product Tool Classification | Cove and Bead Surface 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) | 0.375 in. (3/8 in.) |
| Overall Bit Length (H) | 1.625 in. (1-5/8 in.) |
| Profile Radiused Curve (R) | 0.09375 in. (3/32 in.) |
| Minor Diameter (n) | 0.5625 in. (9/16 in.) |
| Number of Cutting Flutes | 2 Precision Carbide Wings |
| Maximum Rotational Speed | 24,000 RPM (Speed Adjustment Required) |
| Protective Body Finish | Red Perma-SHIELD Non-Stick Coating |
| Carbide Grade Composition | TiCo High-Density Micrograin Carbide |
| Machine Equipment Compatibility | CNC Spindles, Handheld Routers, Router Tables with 1/4" Collet |
| Country of Origin | Italy |
Pro-Tip: When plunge-routing decorative surface grooves into solid hardwood cabinet doors without a pilot bearing, use a plunge router with an edge guide attachment or track system. Make a shallow preliminary pass of 1/8-inch depth before completing the full 3/8-inch cut depth to maintain absolute straightness and eliminate chip tear-out along cross-grain cuts.