Onsrud Cutter 66-085 1/4″ Carbide Spiral O-Flute 1/8″ Radius Edge Rounding Bit

New Onsrud Cutter 66-085 solid carbide edge-rounding router bit. This professional-grade cutter features a single-flute spiral O-flute design with a 1/8″ radius, specifically engineered for rounding the edges of sheets and parts.

The 66-085 is designed for CNC routing applications involving soft plastics, hard plastics, and solid-surface materials. Its spiral O-flute geometry provides efficient chip evacuation while helping produce a clean, consistent edge radius.

Specifications

• Manufacturer: Onsrud Cutter
• Part Number: 66-085
• Series: 66-000
• Cutter Diameter: 1/4″
• Length of Cut (LOC): 3/8″
• Shank Diameter: 1/4″
• Overall Length (OAL): 2-1/2″
• Number of Flutes: 1
• Flute Type: Spiral O-Flute
• Chip Removal: Upcut
• Helix Angle: Approximately 22°
• Radius: 1/8″
• Opening: 5/32″
• Small Flute Length: 0.195″
• Tip to Radius: 1/16″
• Maximum Material Thickness: 1/8″
• Material: Solid Carbide
• Finish: Uncoated
• Cutting Type: Center Cutting
• Cutting Direction: Right Hand

Applications

The Onsrud 66-085 is designed for edge rounding of sheets and parts. It is suitable for CNC machining of:

• Soft plastics
• Hard plastics
• Solid-surface materials
• Plastic sheets
• Plastic components

The 1/8″ radius produces a rounded edge on material up to approximately 1/8″ thick.

Package Includes

1 × Onsrud Cutter 66-085 Solid Carbide Edge Rounding Router Bit