998V-RSHPNB 4-Flute Ball Nose Tapered Neck End Mill with NACO-BLUE Coating
998V-RSHPNB
The 998V-RSHPNB is a high-performance 4-flute short-flute ball nose tapered neck end mill from LV Tool, a leading tungsten carbide cutting tool manufacturer. Engineered for precision, this end mill features an advanced NACO-BLUE coating, making it ideal for high-speed dry machining applications. The coating provides exceptional resistance to high temperatures and wear, significantly extending tool life and ensuring consistent cutting stability. This versatile tool is designed for machining a wide range of challenging materials, including tool steel, alloy steel, stainless steel, cast iron, and welded steel. Its high-precision diameter tolerance makes it a reliable choice for manufacturers in the mold & die, automotive, and aerospace industries seeking superior surface finishes and operational efficiency. Available for OEM/ODM and wholesale inquiries.
High-Performance 4-Flute Ball Nose Tapered Neck End Mill
The 998V-RSHPNB series from LV INTERNATIONAL CO., LTD. represents a pinnacle in precision cutting tool technology. This 4-flute, short-flute ball nose end mill with a tapered neck is specifically engineered for high-precision and high-speed machining tasks. Its robust design and advanced features make it an indispensable tool for demanding industrial applications.
Advanced NACO-BLUE Coating for Dry Machining
A key feature of the 998V-RSHPNB is its proprietary NACO-BLUE coating. This advanced surface treatment is optimized for dry machining, allowing for higher cutting speeds without the need for liquid coolants. The coating provides outstanding thermal stability and wear resistance, which translates to a longer tool life, reduced downtime, and lower operational costs. It ensures stable cutting performance even under the most rigorous conditions.
Key Features and Benefits
- Optimized for Dry Machining: The NACO-BLUE coating provides superior lubricity and heat resistance, making it ideal for high-speed dry cutting operations.
- Extended Tool Life: Exceptional wear resistance significantly prolongs the operational life of the end mill, offering a greater return on investment.
- High Precision and Stability: Manufactured to tight diameter tolerances, this tool guarantees excellent cutting stability, resulting in superior surface finishes and dimensional accuracy.
- Versatile Application Range: The robust design is suitable for machining a wide array of materials, from standard steels to more challenging alloys.
Applicable Materials
The 998V-RSHPNB is engineered to perform on a variety of materials common in mold making, automotive, and aerospace manufacturing:
- Tool Steel
- Alloy Steel
- Stainless Steel
- Cast Iron
- Welded Steel
Detailed Specifications
The 998V-RSHPNB series is available in a wide range of sizes to meet your specific machining requirements. As a professional end mill supplier, we offer custom and OEM/ODM solutions. Please refer to the table below for detailed specifications.
| Model | Diameter (mm) | Corner Radius (R) | Flute Length (mm) | Shank Diameter (mm) | Flutes | Overall Length (mm) | Effective Length (mm) |
|---|---|---|---|---|---|---|---|
| 020024 | 2 | 0.2R | 2 | 4 | 4 | 50 | 6 |
| 020034 | 2 | 0.3R | 2 | 4 | 4 | 50 | 6 |
| 020054 | 2 | 0.5R | 2 | 4 | 4 | 50 | 6 |
| 030024 | 3 | 0.2R | 3 | 6 | 4 | 50 | 9 |
| 030034 | 3 | 0.3R | 3 | 6 | 4 | 50 | 9 |
| 030054 | 3 | 0.5R | 3 | 6 | 4 | 50 | 9 |
| 030104 | 3 | 1R | 3 | 6 | 4 | 50 | 9 |
| 040024 | 4 | 0.2R | 4 | 6 | 4 | 50 | 12 |
| 040034 | 4 | 0.3R | 4 | 6 | 4 | 50 | 12 |
| 040054 | 4 | 0.5R | 4 | 6 | 4 | 50 | 12 |
| 040104 | 4 | 1R | 4 | 6 | 4 | 50 | 12 |
| 050034 | 5 | 0.3R | 5 | 6 | 4 | 50 | 15 |
| 050054 | 5 | 0.5R | 5 | 6 | 4 | 50 | 15 |
| 050104 | 5 | 1R | 5 | 6 | 4 | 50 | 15 |
| 060024 | 6 | 0.2R | 6 | 6 | 4 | 50 | 18 |
| 060034 | 6 | 0.3R | 6 | 6 | 4 | 50 | 18 |
| 060054 | 6 | 0.5R | 6 | 6 | 4 | 50 | 18 |
| 060104 | 6 | 1R | 6 | 6 | 4 | 50 | 18 |
| 060204 | 6 | 2R | 6 | 6 | 4 | 50 | 18 |
| 080034 | 8 | 0.3R | 8 | 8 | 4 | 60 | 20 |
| 080054 | 8 | 0.5R | 8 | 8 | 4 | 60 | 20 |
| 080104 | 8 | 1R | 8 | 8 | 4 | 60 | 20 |
| 080204 | 8 | 2R | 8 | 8 | 4 | 60 | 20 |
| 100054 | 10 | 0.5R | 10 | 10 | 4 | 75 | 25 |
| 100104 | 10 | 1R | 10 | 10 | 4 | 75 | 25 |
| 100154 | 10 | 1.5R | 10 | 10 | 4 | 75 | 25 |
| 100204 | 10 | 2R | 10 | 10 | 4 | 75 | 25 |
| 100304 | 10 | 3R | 10 | 10 | 4 | 75 | 25 |
| 120054 | 12 | 0.5R | 12 | 12 | 4 | 75 | 30 |
| 120104 | 12 | 1R | 12 | 12 | 4 | 75 | 30 |
| 120154 | 12 | 1.5R | 12 | 12 | 4 | 75 | 30 |
| 120204 | 12 | 2R | 12 | 12 | 4 | 75 | 30 |
| 120304 | 12 | 3R | 12 | 12 | 4 | 75 | 30 |
998V-RSHPNB 4-Flute Ball Nose Tapered Neck End Mill with NACO-BLUE Coating Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 998V-RSHPNB 4-Flute Ball Nose Tapered Neck End Mill with NACO-BLUE 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.

