663L-GV High-Performance 3-Flute Carbide End Mill for Roughing and Finishing
663L-GV
The LV® 663L-GV is a high-performance 3-flute carbide end mill engineered for both roughing and finishing operations. Featuring a proprietary Arti-Co coating, this tool offers exceptional wear resistance and an extended service life, reducing tool change frequency and operational costs. Its advanced 40° helix angle design significantly lowers cutting resistance, ensuring smooth machining and superior surface finishes. The fine-tooth geometry is optimized for high-speed roughing applications across a wide range of materials, including carbon steel, alloy steel, tool steel, stainless steel, and cast iron. As a leading carbide end mill manufacturer, LV Tool provides this versatile solution for demanding industrial applications requiring precision and efficiency.
High-Performance 3-Flute Roughing & Finishing End Mill
The 663L-GV from LV® Tool's 66 Series is a versatile 3-flute carbide end mill designed to excel in both roughing and finishing tasks. Engineered for high-speed machining, this tool combines innovative design features with premium materials to deliver unparalleled performance and durability in demanding industrial environments. It is an ideal choice for manufacturers seeking to optimize their machining processes and reduce production costs without compromising on quality.
Key Features and Benefits
- Advanced Arti-Co Coating: The tool is treated with a proprietary Arti-Co coating, which provides a super-hard, low-friction surface. This results in excellent wear resistance, significantly extending the tool's operational life and reducing the need for frequent replacements.
- Optimized 40° Helix Angle: The unique 40-degree helix angle geometry is engineered to effectively reduce cutting forces and resistance. This design promotes smoother cutting action, minimizes vibration, and contributes to superior surface finishes on the workpiece.
- Fine-Tooth Design for High-Speed Machining: The fine-tooth configuration is specifically suited for high-speed rough machining, enabling rapid material removal while maintaining stability and control. This feature boosts productivity and shortens cycle times.
Material Applications
The 663L-GV is engineered for exceptional performance across a wide spectrum of materials, making it a highly versatile tool for any machine shop. Recommended materials include:
- Carbon Steel
- Alloy Steel
- Tool Steel
- Stainless Steel
- Cast Iron
Detailed Specifications
The 663L-GV series is available in a range of sizes to meet diverse application needs. As a professional carbide end mill supplier, we offer OEM and ODM services to meet custom specifications.
| Model | Diameter (mm) | Flute Length (mm) | Shank Diameter (mm) | Number of Flutes | Overall Length (mm) |
|---|---|---|---|---|---|
| 0403 | 4 | 8 | 6 | 3 | 50 |
| 0503 | 5 | 13 | 6 | 3 | 50 |
| 0603 | 6 | 16 | 6 | 3 | 50 |
| 0703 | 7 | 16 | 8 | 3 | 60 |
| 0803 | 8 | 19 | 8 | 3 | 60 |
| 0903 | 9 | 25 | 10 | 3 | 75 |
| 1003 | 10 | 25 | 10 | 3 | 75 |
| 1103 | 11 | 30 | 12 | 3 | 75 |
| 1203 | 12 | 30 | 12 | 3 | 75 |
| 1603 | 16 | 35 | 16 | 3 | 100 |
| 2003 | 20 | 45 | 20 | 3 | 100 |
663L-GV High-Performance 3-Flute Carbide End Mill for Roughing and Finishing Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 663L-GV High-Performance 3-Flute Carbide End Mill for Roughing and Finishing 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.

