998V-D Series | 2-Flute Deep Groove Long Neck Ball End Mill for High-Speed Machining
998V-D
The 998V-D series from LV® Tool is a high-performance 2-flute deep groove long neck ball end mill, engineered for precision high-speed machining of deep cavities and complex contours. Its specialized long neck design effectively prevents tool interference, making it ideal for mold and die manufacturing. Featuring a high-silicon TixSiN coating, this carbide end mill offers exceptional high-temperature stability and superior wear resistance, which significantly extends tool life and ensures consistent cutting performance. Available in a wide range of specifications, the 998V-D is optimized for machining tough materials, including high carbon steel, cast steel, mold steel, alloy steel, and various heat-treated steels up to HRC 65. As a leading cutting tool manufacturer, we provide reliable solutions for demanding industrial applications.
High-Performance 2-Flute Deep Groove Ball End Mill
The 998V-D series is a specialized 2-flute deep groove long neck ball end mill designed by LV® Tool, a leading manufacturer of precision cutting tools. This series is engineered for high-speed machining of deep grooves and complex 3D surfaces, effectively preventing tool interference in intricate mold and die applications. Its robust design and advanced features make it a reliable choice for demanding industrial environments.
Key Features & Benefits
- Advanced TixSiN Coating: Features a high-silicon TixSiN coating that provides exceptional resistance to high temperatures and oxidation, ensuring stable performance during high-speed cutting operations.
- Extended Tool Life: The superior coating and premium micro-grain carbide substrate offer excellent wear resistance, leading to a significantly longer operational lifespan and reduced tooling costs.
- High Precision Machining: Manufactured with tight diameter tolerances to deliver a perfect cutting performance and superior surface finish on the workpiece.
- Optimized for Deep Grooves: The long neck design allows for deep reach into cavities and pockets without the tool holder interfering with the workpiece, making it ideal for complex mold manufacturing.
- Versatile Specifications: A comprehensive range of sizes and specifications is available to meet the diverse needs of our global customers, ensuring the right tool for every application.
Recommended Applications
The 998V-D series is highly effective for machining a variety of hard materials. It is recommended for:
- High Carbon Steel
- Cast Steel
- Mold Steel
- Alloy Steel
- Heat-Treated Steel (up to HRC 65)
Product Specifications
Below is a detailed table of available models and their specifications. For custom OEM/ODM inquiries or to discuss your specific application with our engineering team, please contact us.
| Model | Radius (R) | Flute Length (mm) | Effective Length (mm) | Shank Diameter (mm) | Overall Length (mm) | No. of Flutes |
|---|---|---|---|---|---|---|
| 05022 | 0.25R | 0.75 | 2 | 4 | 50 | 2 |
| 05042 | 0.25R | 0.75 | 4 | 4 | 50 | 2 |
| 05062 | 0.25R | 0.75 | 6 | 4 | 50 | 2 |
| 06022 | 0.3R | 0.9 | 2 | 4 | 50 | 2 |
| 06042 | 0.3R | 0.9 | 4 | 4 | 50 | 2 |
| 06062 | 0.3R | 0.9 | 6 | 4 | 50 | 2 |
| 08042 | 0.4R | 1.2 | 4 | 4 | 50 | 2 |
| 08062 | 0.4R | 1.2 | 6 | 4 | 50 | 2 |
| 08082 | 0.4R | 1.2 | 8 | 4 | 50 | 2 |
| 10062 | 0.5R | 1.5 | 6 | 4 | 50 | 2 |
| 10082 | 0.5R | 1.5 | 8 | 4 | 50 | 2 |
| 10102 | 0.5R | 1.5 | 10 | 4 | 50 | 2 |
| 10122 | 0.5R | 1.5 | 12 | 4 | 50 | 2 |
| 15062 | 0.75R | 2.3 | 6 | 4 | 50 | 2 |
| 15082 | 0.75R | 2.3 | 8 | 4 | 50 | 2 |
| 15102 | 0.75R | 2.3 | 10 | 4 | 50 | 2 |
| 15122 | 0.75R | 2.3 | 12 | 4 | 50 | 2 |
| 15142 | 0.75R | 2.3 | 14 | 4 | 50 | 2 |
| 15162 | 0.75R | 2.3 | 16 | 4 | 50 | 2 |
| 15182 | 0.75R | 2.3 | 18 | 4 | 50 | 2 |
| 15202 | 0.75R | 2.3 | 20 | 4 | 50 | 2 |
| 20082 | 1R | 3 | 8 | 4 | 50 | 2 |
| 20102 | 1R | 3 | 10 | 4 | 50 | 2 |
| 20122 | 1R | 3 | 12 | 4 | 50 | 2 |
| 20142 | 1R | 3 | 14 | 4 | 50 | 2 |
| 20162 | 1R | 3 | 16 | 4 | 50 | 2 |
| 20182 | 1R | 3 | 18 | 4 | 50 | 2 |
| 20202 | 1R | 3 | 20 | 4 | 50 | 2 |
| 25082 | 1.25R | 4 | 8 | 4 | 50 | 2 |
| 25102 | 1.25R | 4 | 10 | 4 | 50 | 2 |
| 25122 | 1.25R | 4 | 12 | 4 | 50 | 2 |
| 25162 | 1.25R | 4 | 16 | 4 | 50 | 2 |
| 30102 | 1.5R | 4.5 | 10 | 6 | 50 | 2 |
| 30122 | 1.5R | 4.5 | 12 | 6 | 50 | 2 |
| 30162 | 1.5R | 4.5 | 16 | 6 | 60 | 2 |
| 30202 | 1.5R | 4.5 | 20 | 6 | 60 | 2 |
| 30252 | 1.5R | 4.5 | 25 | 6 | 75 | 2 |
| 40122 | 2R | 6 | 12 | 6 | 50 | 2 |
| 40162 | 2R | 6 | 16 | 6 | 60 | 2 |
| 40202 | 2R | 6 | 20 | 6 | 75 | 2 |
| 40252 | 2R | 6 | 25 | 6 | 75 | 2 |
| 40302 | 2R | 6 | 30 | 6 | 75 | 2 |
- Download
998V-D Series | 2-Flute Deep Groove Long Neck Ball End Mill for High-Speed Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 998V-D Series | 2-Flute Deep Groove Long Neck Ball End Mill for High-Speed 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.


