Angled view of the Freud 75-104 5/16 inch up spiral solid carbide router bit featuring a sharp spiral cutting edge and a silver 1/2 inch shank with laser-etched model information.
Vertical profile of the Freud 75-104 up spiral router bit showing the solid carbide construction and the high-precision spiral flute designed for rapid chip evacuation.
Technical profile diagram for the Freud 75-104 showing a 5/16 inch diameter, 1 inch carbide height, and 3 inch overall length next to an illustration of a deep mortise cut.
Material compatibility chart for the Freud 75-104 router bit indicating it is optimized for use with veneered plywood, hardwoods, softwoods, and composite materials.
Equipment compatibility graphic showing that the Freud 75-104 up spiral solid carbide bit is designed for use with hand routers, table routers, and CNC machines.
3D isometric view of a wood block featuring a clean, precise 5/16 inch wide deep groove or mortise cut created by the Freud 75-104 up spiral bit.
Application diagram showing the upward shearing action of the Freud 75-104 spiral bit which pulls chips upward to provide a better finish on the bottom surface of the material.
Angled view of the Freud 75-104 5/16 inch up spiral solid carbide router bit featuring a sharp spiral cutting edge and a silver 1/2 inch shank with laser-etched model information.
Action shot of the Freud 75-104 up spiral solid carbide router bit installed in a CNC machine actively performing high-production woodworking cuts with visible dust evacuation.
Angled view of the Freud 75-104 5/16 inch up spiral solid carbide router bit featuring a sharp spiral cutting edge and a silver 1/2 inch shank with laser-etched model information.
Vertical profile of the Freud 75-104 up spiral router bit showing the solid carbide construction and the high-precision spiral flute designed for rapid chip evacuation.
Technical profile diagram for the Freud 75-104 showing a 5/16 inch diameter, 1 inch carbide height, and 3 inch overall length next to an illustration of a deep mortise cut.
Material compatibility chart for the Freud 75-104 router bit indicating it is optimized for use with veneered plywood, hardwoods, softwoods, and composite materials.
Equipment compatibility graphic showing that the Freud 75-104 up spiral solid carbide bit is designed for use with hand routers, table routers, and CNC machines.
3D isometric view of a wood block featuring a clean, precise 5/16 inch wide deep groove or mortise cut created by the Freud 75-104 up spiral bit.
Application diagram showing the upward shearing action of the Freud 75-104 spiral bit which pulls chips upward to provide a better finish on the bottom surface of the material.
Angled view of the Freud 75-104 5/16 inch up spiral solid carbide router bit featuring a sharp spiral cutting edge and a silver 1/2 inch shank with laser-etched model information.
Action shot of the Freud 75-104 up spiral solid carbide router bit installed in a CNC machine actively performing high-production woodworking cuts with visible dust evacuation.
Freud

Freud 75-104 5/16" Up Spiral Solid Carbide Router Bit 1/2" Shank for High-Production CNC Mortising Through Cuts Rapid Chip Evacuation Woodworking Tool

In stock
SKU: 75-104
$45.99 USD

Description

Freud precisely the best logo

Achieve Superior Chip Removal and Flawless Finishes with the Freud 75-104 Up Spiral Router Bit

Experience the peak of routing performance with the Freud 75-104 5/16" Up Spiral Bit. Crafted from Freud’s Premier Solid Carbide, this industrial-grade bit is engineered specifically for high-volume production environments where speed and cut quality are non-negotiable. Unlike standard straight bits, the spiral flute design creates a continuous "shearing" action that slices through material effortlessly, while the upward spiral geometry pulls chips away from the cut to prevent clogging and overheating during deep operations.

The Freud 75-104 is the ideal choice for demanding tasks such as cutting deep mortises, through-cuts, and blind holes. Because the flutes pull the material upward, this bit provides an exceptionally clean and splinter-free finish on the bottom surface of your workpiece. Perfectly balanced for vibration-free operation at high speeds, it excels in CNC machinery, table-mounted routers, and hand-held routing applications. Whether you are working with hardwoods, softwoods, or composite materials, this solid carbide bit ensures maximum durability and a professional-grade finish that reduces the need for sanding.

Key Features

  • Premier Solid Carbide: Constructed from high-grade solid carbide for maximum tool life and a sharper cutting edge in production settings.
  • Efficient Up-Spiral Design: Provides rapid chip evacuation to prevent heat buildup and ensure clean, cool cuts in deep mortises.
  • Superior Bottom-Surface Finish: The upward shearing action delivers an unmatched, splinter-free finish on the underside of the material.
  • Multi-Platform Compatibility: Optimized for high-performance use in CNC machines, hand-held routers, and table-mounted systems.
  • Industrial Versatility: Engineered for fast material removal and precision in hardwoods, softwoods, and plywoods.

What's Included

  • (1) Freud 75-104 5/16" Up Spiral Solid Carbide Router Bit

Specifications

Part Number 75-104
Overall Diameter 5/16"
Shank Diameter 1/2"
Carbide Cutting Height 1"
Overall Length 3"
Number of Cutters 2
Maximum RPM 24,000
Flute Direction Up-Spiral
Bit Material Solid Carbide
Application Mortising, Grooving, and Through-Cuts

Pro-Tip: Because an up-spiral bit pulls the router toward the workpiece, always ensure your material is securely clamped or held by a vacuum table. For the cleanest top-surface results on sensitive veneers, consider using a sacrificial "spoil board" on top to prevent any potential lifting or fuzzing.