998V-AANB 4-Flute Ball Nose End Mill with NACO-BLUE Coating for High-Speed Dry Machining
998V-AANB
The 998V-AANB is a high-performance 4-flute ball nose end mill from LV® Tool, a leading carbide cutting tool manufacturer in Taiwan. This tool is engineered for precision and longevity, featuring an advanced NACO-BLUE coating that provides exceptional resistance to high temperatures and wear, making it ideal for high-speed dry machining. Its high-precision diameter tolerance ensures excellent cutting stability and superior surface finishes on various materials, including tool steel, alloy steel, stainless steel, cast iron, and welded steel. Choose the 998V-AANB for extended tool life and reliable performance in your most demanding milling applications.
High-Performance 4-Flute Ball Nose End Mill for Dry Machining
The 998V-AANB series from LV® Tool is a premium 4-flute ball nose end mill specifically designed for demanding dry machining operations. As a leading carbide cutting tool manufacturer, we have engineered this tool to deliver unparalleled performance and longevity. The key to its superior capability is the advanced NACO-BLUE coating, a proprietary surface treatment that provides exceptional thermal stability and wear resistance. This allows for higher cutting speeds and feeds without the need for coolant, resulting in cleaner work environments and reduced operational costs.
Key Features & Benefits
- Advanced NACO-BLUE Coating: Specially formulated for dry machining, this coating offers outstanding resistance to high temperatures and abrasion, significantly extending the tool's service life.
- 4-Flute Ball Nose Design: The geometry is optimized for smooth finishing and contouring operations, producing excellent surface quality on complex 3D surfaces.
- Superior Cutting Stability: Manufactured with a high-precision diameter tolerance, the 998V-AANB ensures minimal vibration and chatter, leading to consistent and accurate machining results.
- Premium Carbide Substrate: Made from high-quality micro-grain carbide rods sourced from Japan and Germany, providing a tough and durable foundation for the most challenging applications.
Recommended Applications & Materials
This versatile ball nose end mill is ideal for finishing and semi-finishing applications in the mold & die, automotive, and aerospace industries. It excels in machining a wide range of materials, including:
- Tool Steel (e.g., P20, H13)
- Alloy Steel (e.g., 4140, 4340)
- Stainless Steel (e.g., 304, 316)
- Cast Iron
- Weld Overlay and Hardened Steels
Detailed Specifications
LV® Tool offers a comprehensive range of sizes for the 998V-AANB series to meet your specific project requirements. As a trusted end mill supplier, we provide both standard and custom OEM/ODM solutions. Please refer to the table below for detailed dimensions.
| Model | Radius (R) | Flute Length (mm) | Shank Diameter (mm) | No. of Flutes | Overall Length (mm) |
|---|---|---|---|---|---|
| 998V-AANB-0104 | 0.5 | 2 | 4 | 4 | 50 |
| 998V-AANB-0154 | 0.75 | 3 | 4 | 4 | 50 |
| 998V-AANB-0204 | 1.0 | 4 | 4 | 4 | 50 |
| 998V-AANB-0254 | 1.25 | 5 | 4 | 4 | 50 |
| 998V-AANB-0304 | 1.5 | 5.5 | 4 | 4 | 50 |
| 998V-AANB-0404 | 2.0 | 6 | 4 | 4 | 50 |
| 998V-AANB-0504 | 2.5 | 9 | 6 | 4 | 50 |
| 998V-AANB-0604 | 3.0 | 9 | 6 | 4 | 50 |
| 998V-AANB-0614 | 3.0 | 9 | 6 | 4 | 75 |
| 998V-AANB-0804 | 4.0 | 16 | 8 | 4 | 75 |
| 998V-AANB-1004 | 5.0 | 20 | 10 | 4 | 75 |
| 998V-AANB-1014 | 5.0 | 20 | 10 | 4 | 100 |
| 998V-AANB-1204 | 6.0 | 24 | 12 | 4 | 75 |
| 998V-AANB-1214 | 6.0 | 24 | 12 | 4 | 100 |
| 998V-AANB-1404 | 7.0 | 28 | 16 | 4 | 100 |
| 998V-AANB-1604 | 8.0 | 32 | 16 | 4 | 100 |
| 998V-AANB-2004 | 10.0 | 40 | 20 | 4 | 150 |
| 998V-AANB-2504 | 12.5 | 50 | 25 | 4 | 150 |
998V-AANB 4-Flute Ball Nose End Mill with NACO-BLUE Coating for High-Speed Dry Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 998V-AANB 4-Flute Ball Nose End Mill with NACO-BLUE Coating for High-Speed Dry 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.

