Freud Double Flute Straight Bit 1/8 in. Dia., 1/4 in. Shank

Freud 04-100 1/8 in. Double Flute Straight Bit

The Freud 1/8 in. Double Flute Straight Bit offers precise, clean cuts for grooving and edge-routing in a wide range of woods and composites. Its carbide-tipped edges and refined shear angles deliver smoother results and extended tool life, making it a reliable choice for both hobbyists and professionals seeking consistent, accurate routing performance.

Woodworkers generally regard this Freud bit as a dependable, sharp, and durable option for fine woodworking and CNC work. Reviewers appreciate its clean cutting performance and long life, though a few note it can struggle slightly in dense hardwoods.

Specifications

• Diameter: 1/8 in.
• Shank: 1/4 in.
• Cut length: 3/8 in.
• Overall length: 1-3/4 in.

Applications

• Tight grooves, dados, and small channels
• Inlay work or fine detail routing
• CNC or handheld routers
• Works on hardwood, softwood, plywood, and composites

Highlights

• Double flute design → smoother cut than single flute
• Freud TiCo carbide → longer edge life and cleaner finish
• Plunge-friendly tip relief → easier controlled entry into the cut

Performance Notes

• Excellent for precision grooves (1/8 in.), like glass channels or inlays
• Because it’s small, it’s fragile under aggressive feed rates—take lighter passes
• Ideal depth per pass is usually shallow (don’t try to hog out full depth in one go)