SpeTool 1/4" Shank 1-Flute O-Flute End Mill
End Mill O-Flute (Plastic) Aluminum-Rated

SpeTool 1/4" Shank 1-Flute O-Flute End Mill

SpeTool

$16.81

Overview

An O-flute (single flute) design from SpeTool optimized for plastics and soft materials. The single wide flute provides excellent chip clearance to prevent melting in acrylic and similar materials. Reasonably priced alternative to premium O-flute bits.

Best for

Machining aluminum and other non-ferrous metals on a CNC router.

Specifications

Shank Diameter

1/4"

Cutting Diameter

1/4"

Flute Count

1

Material

Solid Carbide

Coating

Uncoated

Type

O-Flute (Plastic)

Material Compatibility

Wood Plywood MDF Acrylic PVC Aluminum

This bit is rated for aluminum and non-ferrous metals. Use appropriate feeds, speeds, and lubrication for best results.

Pros

  • Competitive pricing for the quality offered
  • Capable of cutting aluminum and non-ferrous metals
  • Single wide flute prevents melting in plastics
  • Excellent chip clearance for acrylic and soft materials

Cons

  • Shipping from China takes 2-4 weeks typically
  • Quality control may be less consistent than premium US brands
  • May have slightly more runout than premium brands like Whiteside or Amana
  • Single flute limits feed rate compared to multi-flute options