998V-RSNB Series 4-Flute Ball Nose Carbide End Mill with NACO-BLUE Coating
998V-RSNB
The 998V-RSNB series 4-flute ball nose carbide end mill from LV® Tool is engineered for high-performance dry machining. Featuring an advanced NACO-BLUE coating, this tool provides exceptional resistance to high temperatures and abrasion, significantly extending its operational life. Its design ensures superior cutting stability, attributed to a meticulously maintained high-precision diameter tolerance. This versatility makes the 998V-RSNB an ideal solution for machining a wide array of materials, including tool steel, alloy steel, stainless steel, cast iron, and even challenging welded steel components. As a trusted manufacturer, LV® Tool delivers cutting tools that enhance productivity and ensure consistent quality for demanding industrial applications worldwide.
High-Performance 4-Flute Ball Nose End Mill for Dry Machining
The 998V-RSNB series from LV® Tool represents a pinnacle in cutting tool technology, specifically engineered for demanding dry machining operations. This 4-flute ball nose carbide end mill is designed to deliver precision, longevity, and stability across a wide range of industrial applications. Its unique features make it a preferred choice for manufacturers seeking to optimize their production processes and achieve superior surface finishes.
Key Features & Benefits
- Advanced NACO-BLUE Coating: Specially formulated for dry machining, this coating provides exceptional thermal resistance and lubricity, reducing friction and preventing material adhesion.
- Extended Tool Life: The combination of premium tungsten carbide material and the wear-resistant NACO-BLUE coating results in a significantly longer operational lifespan compared to conventional end mills, reducing tool replacement costs.
- Superior Cutting Stability: Manufactured to a high-precision diameter tolerance, the 998V-RSNB ensures minimal vibration and chatter, leading to consistent, high-quality cuts and improved workpiece accuracy.
- Versatile Material Application: This end mill is highly effective for machining a variety of tough materials, making it a versatile tool for any machine shop.
Recommended Machining Materials
The robust design and advanced coating of the 998V-RSNB make it suitable for processing materials such as:
- Tool Steel
- Alloy Steel
- Stainless Steel
- Cast Iron
- Welded Steel Sections
Detailed Specifications
LV® Tool offers the 998V-RSNB series in a comprehensive range of sizes to meet specific project requirements. As a leading cutting tool supplier, we also provide OEM/ODM services for custom specifications. Please refer to the table below for standard dimensions.
| Model | Diameter (mm) | Corner Radius (R) | Flute Length (mm) | Shank Dia. (mm) | Flutes | Overall Length (mm) |
|---|---|---|---|---|---|---|
| 01054 | 1 | 0.5R | 2.5 | 4 | 4 | 50 |
| 01524 | 1.5 | 0.2R | 3 | 4 | 4 | 50 |
| 02034 | 2 | 0.3R | 5 | 4 | 4 | 50 |
| 02054 | 2 | 0.5R | 5 | 4 | 4 | 50 |
| 02554 | 2.5 | 0.5R | 6 | 4 | 4 | 50 |
| 03054 | 3 | 0.5R | 6 | 3 | 4 | 50 |
| 03104 | 3 | 1R | 6 | 3 | 4 | 50 |
| 030544D | 3 | 0.5R | 6 | 4 | 4 | 50 |
| 031044D | 3 | 1R | 6 | 4 | 4 | 50 |
| 04054 | 4 | 0.5R | 9 | 4 | 4 | 50 |
| 05054 | 5 | 0.5R | 12 | 6 | 4 | 50 |
| 06034 | 6 | 0.3R | 16 | 6 | 4 | 50 |
| 06054 | 6 | 0.5R | 16 | 6 | 4 | 50 |
| 06104 | 6 | 1R | 16 | 6 | 4 | 50 |
| 06204 | 6 | 2R | 16 | 6 | 4 | 50 |
| 08034 | 8 | 0.3R | 20 | 8 | 4 | 60 |
| 08054 | 8 | 0.5R | 20 | 8 | 4 | 60 |
| 08104 | 8 | 1R | 20 | 8 | 4 | 60 |
| 08204 | 8 | 2R | 20 | 8 | 4 | 60 |
| 10054 | 10 | 0.5R | 25 | 10 | 4 | 75 |
| 10104 | 10 | 1R | 25 | 10 | 4 | 75 |
| 10204 | 10 | 2R | 25 | 10 | 4 | 75 |
| 10154 | 10 | 1.5R | 25 | 10 | 4 | 75 |
| 10304 | 10 | 3R | 25 | 10 | 4 | 75 |
| 12054 | 12 | 0.5R | 30 | 12 | 4 | 75 |
| 12104 | 12 | 1R | 30 | 12 | 4 | 75 |
| 12154 | 12 | 1.5R | 30 | 12 | 4 | 75 |
| 12204 | 12 | 2R | 30 | 12 | 4 | 75 |
| 12304 | 12 | 3R | 30 | 12 | 4 | 75 |
998V-RSNB Series 4-Flute Ball Nose Carbide End Mill with NACO-BLUE Coating Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 998V-RSNB Series 4-Flute Ball Nose Carbide 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.

