994L-B 4-Flute TixSiN Coated Tungsten Carbide End Mill for General Machining
994L-B
The 994L-B is a high-performance 4-flute tungsten carbide end mill from the LV® 99 Series, engineered for superior general machining. Featuring an advanced TixSiN coating with high silicon content, this tool provides exceptional high-temperature resistance and excellent wear resistance, significantly extending its operational lifespan. The 994L-B end mill is manufactured to high-precision diameter tolerances, ensuring remarkable cutting stability and a superior surface finish. It is a versatile solution suitable for milling a wide range of materials, including tool steel, alloy steel, stainless steel, cast iron, and welded steel components. As a leading tungsten carbide end mill manufacturer, LV INTERNATIONAL CO., LTD. guarantees quality and performance in every tool.
High-Performance 4-Flute End Mill with TixSiN Coating
The 994L-B series from LV® Tool is a premium line of 4-flute tungsten carbide end mills designed for versatility and durability in demanding machining environments. Engineered by a leading tungsten carbide end mill supplier, this tool combines a robust geometry with an advanced surface treatment to deliver consistent, high-quality results across a variety of materials.
Key Features and Manufacturing Advantages
- Advanced TixSiN Coating: Each end mill is coated with TixSiN (Titanium Silicon Nitride), which contains a high percentage of silicon. This composition provides outstanding thermal stability and high-temperature resistance, protecting the tool during aggressive cutting operations and reducing friction.
- Superior Wear Resistance: The specialized coating and premium tungsten carbide substrate offer excellent wear resistance, leading to a significantly longer tool life and reduced tooling costs for manufacturers.
- High-Precision Manufacturing: Manufactured on world-class CNC grinding machines, the 994L-B series features a high-precision diameter tolerance. This ensures exceptional cutting stability, minimizes vibration, and produces a superior surface finish on the workpiece.
- Versatile 4-Flute Design: The 4-flute geometry is optimized for both slotting and finishing operations, providing efficient chip evacuation and a balanced cutting action for general-purpose milling.
Recommended Machining Applications
As a versatile cutting tool, the 994L-B is highly effective for machining a broad spectrum of materials common in mold & die, automotive, and general engineering industries. Recommended materials include:
- Tool Steel
- Alloy Steel
- Stainless Steel
- Cast Iron
- Welded Steel Fabrications
LV INTERNATIONAL CO., LTD. offers OEM/ODM services for custom tool specifications to meet unique application requirements.
Product Specifications
The 994L-B series is available in a wide range of sizes to fit your specific machining needs. Please refer to the table below for detailed dimensions.
| Model | Diameter (mm) | Flute Length (mm) | Shank Diameter (mm) | No. of Flutes | Overall Length (mm) |
|---|---|---|---|---|---|
| 0104 | 1 | 2.5 | 4 | 4 | 50 |
| 0154 | 1.5 | 3 | 4 | 4 | 50 |
| 0204 | 2 | 5 | 4 | 4 | 50 |
| 0254 | 2.5 | 6 | 4 | 4 | 50 |
| 0304 | 3 | 6 | 4 | 4 | 50 |
| 0354 | 3.5 | 8 | 4 | 4 | 50 |
| 0404 | 4 | 9 | 4 | 4 | 50 |
| 0454 | 4.5 | 10 | 6 | 4 | 50 |
| 0504 | 5 | 12 | 6 | 4 | 50 |
| 0554 | 5.5 | 12 | 6 | 4 | 50 |
| 0604 | 6 | 13 | 6 | 4 | 50 |
| 0654 | 6.5 | 20 | 8 | 4 | 60 |
| 0704 | 7 | 20 | 8 | 4 | 60 |
| 0754 | 7.5 | 20 | 8 | 4 | 60 |
| 0804 | 8 | 20 | 8 | 4 | 60 |
| 0854 | 8.5 | 25 | 10 | 4 | 75 |
| 0904 | 9 | 25 | 10 | 4 | 75 |
| 0954 | 9.5 | 25 | 10 | 4 | 75 |
| 1004 | 10 | 25 | 10 | 4 | 75 |
| 1054 | 10.5 | 30 | 12 | 4 | 75 |
| 1104 | 11 | 30 | 12 | 4 | 75 |
| 1154 | 11.5 | 30 | 12 | 4 | 75 |
| 1204 | 12 | 30 | 12 | 4 | 75 |
| 1404 | 14 | 30 | 16 | 4 | 100 |
| 1504 | 15 | 30 | 16 | 4 | 100 |
| 1604 | 16 | 40 | 16 | 4 | 100 |
| 2004 | 20 | 45 | 20 | 4 | 100 |
| 2504 | 25 | 45 | 25 | 4 | 100 |
Download Technical Data Sheet
Access the single-page catalog for the 994L-B series for offline reference and complete technical specifications.
994L-B 4-Flute TixSiN Coated Tungsten Carbide End Mill for General Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 994L-B 4-Flute TixSiN Coated Tungsten Carbide End Mill for General Machining 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.

