A studio product shot of the Freud 77-620 three-flute mortise compression spiral router bit, featuring a solid carbide body with a polished silver shank and a dark blue-black coated spiral cutting tip.
An informational graphic titled Materials, displaying 3D samples of veneered plywood, hardwoods, softwoods, composites, and melamine or laminate to indicate the compatible surfaces for this compression router bit.
An informational graphic titled Tools, showing a handheld router, a table-mounted router, and a CNC machine spindle to demonstrate the different equipment compatible with this bit.
A studio product shot of the Freud 77-620 three-flute mortise compression spiral router bit, featuring a solid carbide body with a polished silver shank and a dark blue-black coated spiral cutting tip.
A studio product shot of the Freud 77-620 three-flute mortise compression spiral router bit, featuring a solid carbide body with a polished silver shank and a dark blue-black coated spiral cutting tip.
An informational graphic titled Materials, displaying 3D samples of veneered plywood, hardwoods, softwoods, composites, and melamine or laminate to indicate the compatible surfaces for this compression router bit.
An informational graphic titled Tools, showing a handheld router, a table-mounted router, and a CNC machine spindle to demonstrate the different equipment compatible with this bit.
A studio product shot of the Freud 77-620 three-flute mortise compression spiral router bit, featuring a solid carbide body with a polished silver shank and a dark blue-black coated spiral cutting tip.
Freud

Freud 77-620 1/2 Inch Three Flute Mortise Compression Spiral Router Bit 1/2 Inch Shank Solid Carbide Black ICE Coating for Melamine Plywood Hardwood

Only 1 left
SKU: 77-620
$65.99 USD

Description

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Achieve Flawless Mortises and Mirror-Smooth Edges on Delicate Double-Sided Materials

The Freud 77-620 1/2" Three Flute Mortise Compression Bit is the ultimate solution for woodworkers who demand perfection when routing delicate, double-sided materials. Engineered with a specialized three-flute geometry, this bit provides a faster feed rate and a smoother finish than standard two-flute alternatives. Its unique mortise compression design features a shorter up-shear length, making it specifically optimized for routing perfect grooves, mortises, and through-cuts in thin materials 5/8" thick or less. By pulling the material fibers toward the center of the board from both the top and bottom, it eliminates the risk of chipping on sensitive veneers and laminates.

Crafted from Freud Premier Solid Carbide and enhanced with TiCo™ High-Density Carbide, this bit is built to deliver industrial-grade durability and 2X the cutting life of standard uncoated bits. The cutting edges are protected by Freud's proprietary Black I.C.E. (Industrial Cooling Element) coating, which maintains a lower operating temperature and facilitates superior chip evacuation. This combination ensures that the bit remains sharp through miles of routing in abrasive materials like melamine, plywood, hardwood, and softwood. Whether you are operating a high-speed CNC machine or using a handheld or table-mounted router, the 77-620 provides the precision and longevity required for professional results.

Key Features

  • Precision Mortising: Specifically designed for perfect grooves and mortises in delicate materials with zero chip-out.
  • Three-Flute Geometry: Delivers faster feed rates and an exceptionally clean finish compared to standard compression bits.
  • Black I.C.E. Coating: Innovative cooling technology prevents heat buildup and ensures effortless chip evacuation.
  • TiCo™ High-Density Carbide: Custom-formulated carbide provides 2X the performance and life of traditional router bits.
  • Dual-Sided Perfection: Ideal for through-cuts in thin, double-sided materials such as melamine and veneered plywood.
  • Universal Compatibility: Optimized for peak performance in CNC machines, handheld routers, and router tables.

What's Included

  • (1) Freud 77-620 1/2" Three Flute Mortise Compression Spiral Bit

Specifications

Brand Freud
Model Number 77-620
Overall Diameter (D) 0.5 in (1/2")
Shank Diameter (A) 0.5 in (1/2")
Carbide Height (h) 1.375 in (1-3/8")
Upcut Length 0.21875 in (7/32")
Overall Length (H) 3.5 in
Number of Cutters 3
Maximum RPM 24,000
Material Construction Solid Carbide
Coating Type Black I.C.E.

Pro-Tip: To achieve a perfect chip-free finish on the top surface of your workpiece, ensure your initial pass is deeper than the 7/32" upcut length. This allows the down-shear portion of the compression bit to engage the top edge of the board, compressing the fibers downward for a perfectly crisp, splinter-free result on both sides.