Product Overview
The HUHAO 4 mm – 20 mm HRC65 Milling Cutter is a premium CNC cutting tool designed for high‑precision machining of aluminum, stainless steel, and other tough metals. Engineered with a robust HSS M2 core and a carbide‑reinforced tip, this 2‑flute spiral end mill delivers clean, burr‑free cuts while maintaining exceptional tool life.
Key Highlights
- Versatile Size Range: Available in 4 mm, 6 mm, 8 mm, and 20 mm diameters to suit a wide array of milling applications.
- High Hardness Rating: HRC65 surface hardness ensures superior wear resistance and stability during high‑speed operations.
- Premium Materials: HSS M2 core combined with a carbide‑coated cutting edge for maximum durability and reduced heat buildup.
- Optimized Geometry: 2‑flute spiral design provides excellent chip evacuation and reduces vibration for smoother finishes.
- Universal Compatibility: Fits standard CNC routers, milling machines, and desktop CNC kits.
- Ideal for Metals: Perfect for aluminum, stainless steel, titanium, and other hard‑to‑cut alloys.
Performance Benefits
Thanks to its high hardness and carbide reinforcement, the HUHAO end mill maintains sharpness longer, allowing you to increase feed rates and reduce machining time without sacrificing surface quality. The 2‑flute spiral profile minimizes chip clogging, making it ideal for deep‑slotting and high‑speed routing.
Technical Specifications
- Material: HSS M2 with carbide coating
- Hardness: HRC65
- Flutes: 2
- Diameter Options: 4 mm, 6 mm, 8 mm, 20 mm
- Shank Type: Standard 6 mm (compatible with most collets)
- Spiral Pitch: Optimized for efficient chip removal
Why Choose HUHAU?
HUHAU is a trusted brand among professional machinists and hobbyists alike. Our milling cutters are rigorously tested for consistency, ensuring you receive a tool that delivers reliable performance on every job. Upgrade your CNC toolkit with the HUHAO 4 mm – 20 mm HRC65 Milling Cutter and experience smoother cuts, longer tool life, and superior finish quality.
Price: Original price was: $ 6.32.$ 3.10Current price is: $ 3.10.

