3.175mm Shank 2-Flute V-Shape Engraving Bit
Engraving V-Bit

3.175mm Shank 2-Flute V-Shape Engraving Bit

Generic

$2.01

Overview

This budget-friendly engraving bit from AliExpress is designed for fine detail work and PCB isolation milling. The sharp V-point allows for precise lettering and intricate designs. A cost-effective choice for engraving projects.

Best for

Fine detail engraving, PCB isolation milling, and precision lettering.

Specifications

Shank Diameter

3.175mm

Cutting Diameter

3.175mm

Flute Count

2

Material

Solid Carbide

Coating

Uncoated

Type

V-Bit

Material Compatibility

Wood Acrylic

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

Pros

  • Extremely affordable - easy to replace when worn
  • Fine point for intricate detail engraving
  • Suitable for PCB isolation milling
  • Ships worldwide from AliExpress with tracking

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
  • Very fine tips are fragile and can snap if feeds are too aggressive