Alias
Double Flute Spiral Bit, CNC Spiral Cutting Bit, Woodworking Spiral End Mill, Tungsten Steel Spiral Cutter
Material
Solid carbide ultra-fine grain tungsten steel, precision heat treatment and grinding, high hardness, good toughness, high temperature resistance, wear resistance and anti-breaking edge.
Surface Color
Natural silver tungsten steel color / Black wear-resistant coating
Product Features
1. Double spiral groove design, fast chip removal, no clogging under high speed operation
2. Smooth cutting surface, no burr, no edge chipping and no burning marks
3. High rigidity and high concentricity, stable clamping, not easy to break
4. Low cutting resistance, stable operation, greatly improve processing efficiency
5. Wide compatibility, suitable for most CNC engraving machines
Application
Suitable for wood, MDF, plywood, acrylic, aluminum alloy, plastic etc.
Widely used in cutting, grooving, engraving, trimming, chamfering and blanking processing


Specification Table
| Item | Details |
| Product Name | Double Flute Spiral Milling Cutter |
| Material | Solid Carbide |
| Flute | Number 2 Flute |
| Groove Type | Spiral Groove |
| Shank Diameter | 3.175mm / 6mm |
| Hardness | HRC 55-65 |
| Applicable Materials | Wood, MDF, Plywood, Acrylic, Aluminum Alloy |
| Brand | HardBar |
| Origin | China |