End Mill Downcut Spiral
SpeTool 1/4" Single Flute Downcut Spiral
SpeTool
$9.99
Overview
SpeTool's 1/4-inch downcut is the workhorse for sign makers and anyone cutting plywood where the top surface must be clean. The downward spiral action presses material down and leaves a pristine top edge. Pair it with an upcut for the final pass on through-cuts for the best of both worlds.
Best for
Clean top-surface profiling in plywood, signs, and laminated materials.
Specifications
Shank Diameter
1/4"
Cutting Diameter
1/4"
Flute Count
1
Material
Solid Carbide
Coating
Uncoated
Type
Downcut Spiral
Material Compatibility
Wood Plywood MDF Acrylic Laminates Soft plastics
Not rated for aluminum. Use a ZrN or DLC coated single-flute end mill for aluminum cutting.
Pros
- Pristine top surface finish
- Great for sign making and inlays
- Presses material down - no lifting
- Affordable price point
Cons
- Poor chip evacuation in deep cuts
- Bottom edge can be ragged
- Not for pocketing operations
- Can overheat in deep slots