Studio shot of the Freud 39-236 Ovolo Groove router bit featuring a red Perma-SHIELD body, large carbide cutters for plunging, and a 1/2 inch silver shank.
Technical profile diagram illustrating the 2-1/4 inch wide ovolo groove cut into wood by the Freud 39-236 bit, specifying a 7/8 inch radius curve on the sides.
Studio shot of the Freud 39-236 Ovolo Groove router bit featuring a red Perma-SHIELD body, large carbide cutters for plunging, and a 1/2 inch silver shank.
Technical profile diagram illustrating the 2-1/4 inch wide ovolo groove cut into wood by the Freud 39-236 bit, specifying a 7/8 inch radius curve on the sides.
Freud

Freud Router Bit 39-236 2-1/4 In Dia 1/2 In Shank Ovolo Groove (16000 RPM TiCo Carbide Perma-SHIELD French Provincial Cabinetry Woodworking)

Only 1 left
SKU: 39-236
$40.97 USD

Description

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Precision Freud 2-1/4 Inch Ovolo Groove Router Bit 39-236 with 1/2 Inch Shank

The Freud 39-236 2-1/4-Inch Diameter Ovolo Groove Router Bit operates as an industrial-grade architectural profile cutting tool engineered to plunge directly into workpieces to route wide, flat-bottom French Provincial grooves, panel accents, and edge round-over profiles into solid hardwoods, softwoods, plywood, and wood composites. Manufactured with micrograin TiCo High-Density Carbide cutters treated with friction-reducing Red Perma-SHIELD non-stick coating, this heavy-duty 1/2-inch shank bit features a 7/8-inch radius, a 1-1/8-inch carbide height, and a 16,000 RPM maximum speed rating. Compatible with CNC automated routers, variable-speed router tables, and heavy handheld plunge routers, this two-cutter decorative bit maintains sharp edge retention and chatter-free balance across custom cabinetry, architectural molding, and fine furniture joinery.

Best Used For:

  • French Provincial Cabinet Door Profiling: Plunging directly into cabinet panel faces to rout wide, flat-bottom decorative ovolo channels and classical door profiles.
  • Architectural Edge Beading & Round-Over Milling: Shaping smooth 7/8-inch radius edge profiles along tabletop perimeters, mantelpieces, and door casings when guided by a fence.
  • CNC & Plunge Surface Fluting: Executing wide architectural panel channels, faux raised panel profiles, and decorative grooves on automated CNC routers or plunge router setups.

Key Performance & Safety Features

  • TiCo High-Density Micrograin Carbide: Custom formulation titanium-cobalt carbide cutters retain razor-sharp edges significantly longer than standard carbide when milling dense hardwoods.
  • Red Perma-SHIELD Thermal Barrier Coating: Non-stick red fluoropolymer coating insulates the bit body against heat buildup, pitch accumulation, and rust corrosion.
  • Heavy-Duty 1/2-Inch Steel Shank: Provides maximum anti-flex structural rigidity and vibration-free stability during wide 2-1/4-inch diameter profile cuts.
  • Precision Plunge-Cutting Center Geometry: Center-cutting carbide flutes permit smooth direct vertical plunging for stopped interior panel grooves and blind channels.
  • Computer-Balanced Dynamically Balanced Body: Dynamically balanced tool body eliminates vibration and chatter marks at regulated speeds up to 16,000 RPM.
  • Dual-Flute Precision Shear Angle: Two precision-ground shear-angle carbide wings slice wood fibers cleanly to eliminate surface tear-out and grain burning.

What's Included

  • (1) Freud 39-236 2-1/4" Diameter Ovolo Groove Router Bit with 1/2" Shank

Technical Specifications

Brand Name Freud
Model Number SKU 39-236
Product Tool Classification Ovolo Groove Plunge Router Bit
Overall Cut Diameter (D) 2.250 in. (2-1/4 in.)
Shank Diameter (A) 0.500 in. (1/2 in.)
Profile Radiused Curve (R) 0.875 in. (7/8 in.)
Carbide Cutting Height (h) 1.125 in. (1-1/8 in.)
Small Tip Diameter (n) 0.500 in. (1/2 in.)
Overall Bit Length (H) 2.625 in. (2-5/8 in.)
Number of Cutting Flutes 2 Carbide Wings
Maximum Rotational Speed 16,000 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 Routers, Variable-Speed Router Tables, Heavy Plunge Routers
Target Substrates Hardwood, Softwood, Cabinet Plywood, MDF, Wood Composites

Pro-Tip: Due to the large 2-1/4-inch cutter diameter of this ovolo groove bit, adjust your variable-speed router down to a maximum of 16,000 RPM before starting. When plunge-routing deep French Provincial panel profiles into dense cherry or maple, take two or three progressive depth passes rather than trying to cut the entire 1-1/8 inch profile at once to prevent chatter marks and motor bog-down.