999H-D High-Hardness Multi-Flute Carbide End Mill with TixSiN Coating
999H-D
The 999H-D is a high-performance, multi-flute carbide end mill from LV® Tool, designed for high-hardness machining. It features an advanced TixSiN coating with high silicon content, providing exceptional high-temperature resistance and wear resistance. This makes it ideal for high-speed face milling operations on challenging materials like tool steel, alloy steel, stainless steel, and cast iron. The robust design ensures a long tool life and delivers a superior surface finish, enhancing productivity for demanding industrial applications. As a leading carbide end mill manufacturer, LV® Tool guarantees precision and reliability in every tool.
Engineered for High-Speed Machining of Hardened Materials
The 999H-D series from LV® Tool represents a pinnacle in cutting tool technology, specifically designed for high-hardness applications. This multi-flute end mill is engineered to deliver exceptional performance and longevity in the most demanding machining environments. Its unique geometry, combined with a state-of-the-art coating, makes it an indispensable tool for manufacturers in the mold & die, automotive, and aerospace industries.
Key Features and Benefits
- Advanced TixSiN Coating: The tool is protected by a TixSiN (Titanium Silicon Nitride) coating with a high silicon content. This advanced layer provides outstanding resistance to high temperatures and oxidation, crucial for maintaining cutting edge integrity during high-speed operations.
- Superior Wear Resistance: The combination of a premium tungsten carbide substrate and the TixSiN coating results in excellent wear resistance, significantly extending the tool's operational life and reducing replacement frequency.
- Optimized for Face Milling: The 999H-D is specifically designed for high-speed face milling, ensuring rapid material removal while producing a smooth, high-quality surface finish on the workpiece.
Applicable Materials
This high-performance carbide end mill is versatile and effective for machining a wide range of hard materials, including:
- Tool Steel
- Alloy Steel
- Stainless Steel
- Cast Iron
- Weld Repair Steel
Technical Specifications
LV® Tool offers the 999H-D series in various dimensions to meet diverse manufacturing needs. As a leading cutting tool supplier, we provide OEM/ODM services for custom specifications.
| Model | Diameter (mm) | Flute Length (mm) | Shank Diameter (mm) | Number of Flutes | Overall Length (mm) |
|---|---|---|---|---|---|
| 0606 | 6 | 15 | 6 | 6 | 60 |
| 0808 | 8 | 20 | 8 | 6 | 60 |
| 1006 | 10 | 25 | 10 | 6 | 75 |
| 1206 | 12 | 30 | 12 | 6 | 75 |
| 1209 | 12 | 26 | 12 | 9 | 100 |
| 1606 | 16 | 45 | 16 | 6 | 100 |
| 2008 | 20 | 45 | 20 | 8 | 100 |
| 2508 | 25 | 45 | 25 | 8 | 100 |
999H-D High-Hardness Multi-Flute Carbide End Mill with TixSiN Coating Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 999H-D High-Hardness Multi-Flute Carbide End Mill with TixSiN Coating for buyers who need dependable precision carbide end mills and cutting tools in professional CNC machining environments. This product supports manufacturers, machine shops, and tooling distributors looking for stable cutting performance, accurate dimensions, and reliable results across demanding materials and production conditions.
Our carbide tools are produced with premium materials, precision CNC grinding, coating expertise, and ISO 9001-certified quality control. This helps customers improve tool life, surface finish, chip evacuation, cutting stability, and machining efficiency in applications such as mold making, automotive parts, aerospace components, electronics, and precision machinery.
As a Taiwan manufacturer with OEM ODM support, LV Tool helps buyers evaluate product fit, standard dimensions, custom tooling needs, and long-term supply requirements. We focus on practical cutting tool solutions that reduce downtime, control cost, and support consistent production quality.

