3.175mm Shank 2-Flute Corn Teeth End Mill (2-Piece Set)
End Mill corn-teeth

3.175mm Shank 2-Flute Corn Teeth End Mill (2-Piece Set)

Generic

$6.64

Overview

This corn teeth end mill from AliExpress features a roughing-style tooth pattern for aggressive material removal. Good for PCB routing and rough passes in wood where surface finish is less critical. A affordable option for roughing operations.

Best for

PCB milling and precision engraving work on circuit boards.

Specifications

Shank Diameter

3.175mm

Cutting Diameter

3.175mm

Flute Count

2

Material

Solid Carbide

Coating

Uncoated

Type

corn-teeth

Material Compatibility

Wood Plywood MDF PCB

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

Pros

  • Great value for solid carbide construction
  • Set of 2 bits provides good variety
  • Aggressive material removal for roughing passes
  • Reduced cutting forces compared to standard end mills

Cons

  • Shipping from China takes 2-4 weeks typically
  • No brand name - quality consistency may vary between batches
  • May have slightly more runout than premium brands like Whiteside or Amana
  • Not suitable for finish passes - roughing only