998V-RSDNB 4-Flute Long Neck Corner Radius End Mill for High-Speed Dry Machining
998V-RSDNB
The LV® 998V-RSDNB is a high-performance 4-flute long-neck corner radius end mill, engineered for precision and durability in demanding applications. Featuring an advanced NACO-BLUE coating, this carbide end mill excels in dry machining environments by offering superior high-temperature resistance and exceptional wear protection, which significantly extends tool life. It is specifically designed for stable, high-precision cutting on a wide range of materials, including tool steel, alloy steel, stainless steel, cast iron, and weld-repaired steel. As a leading cutting tools manufacturer, LV Tool ensures each 998V-RSDNB end mill delivers consistent performance and superior surface finishes.
High-Performance 4-Flute Long Neck Corner Radius End Mill
The 998V-RSDNB series from LV® Tool is a premium line of 4-flute long neck corner radius end mills designed for high-precision and high-efficiency machining. Engineered for professionals in mold making, automotive, and aerospace industries, these tools deliver exceptional performance and reliability. As a leading carbide end mills manufacturer, we leverage advanced technology to produce cutting tools that meet the most stringent quality standards.
Key Features and Benefits
- Advanced NACO-BLUE Coating: Specially formulated for dry machining, this coating provides outstanding resistance to high temperatures and abrasive wear, significantly prolonging the tool's service life and reducing operational costs.
- Superior Cutting Stability: Manufactured with high-precision diameter tolerances, the 998V-RSDNB ensures excellent cutting stability, resulting in superior surface finishes and dimensional accuracy on the workpiece.
- Versatile Material Application: This end mill is optimized for machining a wide variety of materials, offering consistent performance on Tool Steel, Alloy Steel, Stainless Steel, Cast Iron, and even difficult-to-machine Weld-Repaired Steel.
- Long Neck Design: The extended neck allows for deep-cavity milling and machining in hard-to-reach areas without compromising rigidity, making it ideal for complex mold and die applications.
Product Specifications
Below is a detailed specification table for the 998V-RSDNB series. For custom dimensions or OEM/ODM inquiries, please contact our technical team.
| Model | Diameter (mm) | Corner Radius (R) | Flute Length (mm) | Shank Diameter (mm) | Flutes | Overall Length (mm) | Effective Length (mm) |
|---|---|---|---|---|---|---|---|
| 060024 | 6 | 0.2R | 9 | 6 | 4 | 75 | 18 |
| 060034 | 6 | 0.3R | 9 | 6 | 4 | 75 | 18 |
| 060054 | 6 | 0.5R | 9 | 6 | 4 | 75 | 18 |
| 060104 | 6 | 1R | 9 | 6 | 4 | 75 | 18 |
| 060204 | 6 | 2R | 9 | 6 | 4 | 75 | 18 |
| 080034 | 8 | 0.3R | 12 | 8 | 4 | 100 | 20 |
| 080054 | 8 | 0.5R | 12 | 8 | 4 | 100 | 20 |
| 080104 | 8 | 1R | 12 | 8 | 4 | 100 | 20 |
| 080204 | 8 | 2R | 12 | 8 | 4 | 100 | 20 |
| 100054 | 10 | 0.5R | 15 | 10 | 4 | 100 | 25 |
| 100104 | 10 | 1R | 15 | 10 | 4 | 100 | 25 |
| 100154 | 10 | 1.5R | 15 | 10 | 4 | 100 | 25 |
| 100204 | 10 | 2R | 15 | 10 | 4 | 100 | 25 |
| 100304 | 10 | 3R | 15 | 10 | 4 | 100 | 25 |
| 120054 | 12 | 0.5R | 18 | 12 | 4 | 100 | 30 |
| 120104 | 12 | 1R | 18 | 12 | 4 | 100 | 30 |
| 120154 | 12 | 1.5R | 18 | 12 | 4 | 100 | 30 |
| 120204 | 12 | 2R | 18 | 12 | 4 | 100 | 30 |
| 120304 | 12 | 3R | 18 | 12 | 4 | 100 | 30 |
Downloadable Catalog
For a comprehensive overview of our 4-flute corner radius long neck milling cutters, please view or download our single-page catalog. It contains detailed dimensional data for all available models.

998V-RSDNB 4-Flute Long Neck Corner Radius End Mill for High-Speed Dry Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 998V-RSDNB 4-Flute Long Neck Corner Radius End Mill 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.

