Onsrud Cutter 66-086 1/4″ Carbide Spiral O-Flute 3/16″ Radius Edge Rounding Bit

New Onsrud Cutter 66-086 solid carbide edge-rounding router bit. This precision single-flute spiral O-flute cutter is specifically designed for rounding the edges of sheets and parts.

The 66-086 features a 1/4″ cutting diameter, 3/8″ length of cut, 1/4″ shank, 2-1/2″ overall length, and a 3/16″ radius. It is designed for finishing applications involving soft plastics, hard plastics, and solid-surface materials.

Specifications

• Manufacturer: Onsrud Cutter
• Part Number: 66-086
• 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: 22°
• Radius: 3/16″
• Opening: 7/32″
• Tip to Radius: 1/16″
• Small Flute Length: 0.180″
• Maximum Material Thickness: 3/16″
• Material: Solid Carbide
• Coating: Uncoated
• Cutting Type: Center Cutting
• Cutting Direction: Right Hand
• Primary Application: Soft Plastics / Hard Plastics / Solid Surface

Applications

The Onsrud 66-086 is designed specifically for edge rounding of plastic sheets and parts. The 3/16″ radius makes it suitable for creating a smooth, rounded edge on material up to approximately 3/16″ thick.

Typical applications include:

• Soft plastics
• Hard plastics
• Solid-surface materials
• Plastic sheet
• Plastic components
• CNC edge rounding
• Finishing
• Profiling
• Edge finishing

The spiral O-flute geometry provides increased chip clearance for efficient evacuation and improved surface finish.

Package Includes

1 × Onsrud Cutter 66-086 Solid Carbide Edge Rounding Router Bit