SpeTool 1/4" DLC Coated Single Flute for Aluminum
End Mill Aluminum Upcut Aluminum-Rated DLC Coated

SpeTool 1/4" DLC Coated Single Flute for Aluminum

SpeTool

$18.99

Overview

The DLC (Diamond-Like Carbon) coated single flute from SpeTool represents the premium tier of aluminum cutting bits for hobby CNC. The DLC coating provides an extremely low friction surface that aluminum absolutely will not stick to, solving the biggest challenge in hobby aluminum milling. Combined with the single flute's massive chip channel, this bit makes aluminum cutting as reliable as wood cutting.

Best for

Premium aluminum cutting with superior chip evacuation and surface finish.

Specifications

Shank Diameter

1/4"

Cutting Diameter

1/4"

Flute Count

1

Material

Coated Carbide

Coating

DLC (Diamond-Like Carbon)

Type

Aluminum Upcut

Material Compatibility

Aluminum Brass Copper Titanium Soft metals

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

Pros

  • DLC coating is the best for aluminum non-stick
  • Superior to ZrN coating for chip release
  • Single flute maximum chip evacuation
  • Can cut without coolant in light passes

Cons

  • Most expensive aluminum bit option
  • DLC coating is fragile - avoid crashes
  • Still should use lubrication for best results
  • Overkill for occasional aluminum work