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

SpeTool 1/4" Single Flute ZrN Coated for Aluminum

SpeTool

$13.99

Overview

This is the most recommended bit for cutting aluminum on hobby CNC machines. The SpeTool 1/4-inch ZrN-coated single flute end mill is specifically engineered for non-ferrous metals. The ZrN coating prevents the built-up edge that plagues aluminum machining, while the single flute provides the massive chip evacuation channel needed for metal cutting. A must-have for anyone planning to cut aluminum.

Best for

The go-to bit for aluminum cutting on hobby CNC routers with 1/4" collets.

Specifications

Shank Diameter

1/4"

Cutting Diameter

1/4"

Flute Count

1

Material

Solid Carbide

Coating

ZrN (Zirconium Nitride)

Type

Aluminum Upcut

Material Compatibility

Aluminum Brass Copper Wood Acrylic Soft metals

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

Pros

  • The go-to aluminum bit for hobby CNC
  • ZrN coating is essential for aluminum
  • Single flute chip evacuation prevents recutting
  • Works in brass, copper, and all non-ferrous metals

Cons

  • Requires proper feeds/speeds - not forgiving
  • Coolant or mist lubrication recommended
  • More expensive than uncoated end mills
  • Rougher finish than 2-flute in wood