SpeTool 1/4" Flat End Mill (2-Flute, Extra Long)
End Mill Upcut Spiral

SpeTool 1/4" Flat End Mill (2-Flute, Extra Long)

SpeTool

$12.99

Overview

This extra-long cutting length version of SpeTool's 1/4-inch end mill can cut through stock up to 1.5 inches thick in a single setup. The extended flute length is essential for cutting thick hardwoods, stacked sheets, and deep pockets. Be aware that the longer flute increases the risk of deflection, so reduce feed rates compared to standard length bits.

Best for

Cutting through thick stock up to 1.5 inches deep.

Specifications

Shank Diameter

1/4"

Cutting Diameter

1/4"

Flute Count

2

Material

Solid Carbide

Coating

Uncoated

Type

Upcut Spiral

Material Compatibility

Wood Plywood MDF Acrylic Foam

Not rated for aluminum. Use a ZrN or DLC coated single-flute end mill for aluminum cutting.

Pros

  • Cuts through thick stock in one setup
  • Long flute length for deep pockets
  • Solid carbide construction
  • Eliminates need for flip cuts

Cons

  • More prone to deflection than standard length
  • Must reduce feed rates
  • Higher risk of chatter
  • Not suitable for precision work at full depth