664L-4BLW Series 4-Flute Long Shank Carbide End Mill for General Machining
664L-4BLW
The LV® 664L-4BLW is a high-performance 4-flute long shank end mill from our 66 Series, engineered for reliability and precision in general machining applications. This uncoated carbide end mill provides exceptional wear resistance and an extended tool lifespan, ensuring consistent performance. Its high-precision diameter tolerance guarantees stable cutting and superior surface finishes on a variety of materials. The 664L-4BLW is an ideal choice for milling general materials, medium-to-low hardness steels, and non-ferrous metals, making it a versatile and cost-effective solution for workshops and manufacturing facilities seeking quality cutting tools.
Key Features of the 664L-4BLW Long Shank End Mill
The 664L-4BLW series represents a fundamental and reliable choice for general-purpose milling operations. Manufactured by LV® Tool, a leading supplier of carbide cutting tools, this 4-flute long shank end mill is designed to deliver consistent results and excellent value.
- Uncoated Tool Design: The uncoated surface is optimized for general-purpose applications, providing a clean cutting edge and reliable performance without the need for specialized coatings. This makes it a versatile tool for a wide range of workshop tasks.
- Excellent Wear Resistance & Lifespan: Constructed from premium tungsten carbide rods, the 664L-4BLW offers outstanding durability and wear resistance. This robust construction translates to a longer tool life, reducing the frequency of tool changes and lowering overall production costs.
- High-Precision Diameter Tolerance: Engineered to exacting standards, this end mill features a high-precision diameter tolerance. This ensures exceptional cutting stability, minimizes vibration, and helps produce smooth, accurate surface finishes on the workpiece.
Recommended Machining Applications
The versatile design of the 664L-4BLW makes it suitable for a variety of materials commonly found in manufacturing and fabrication environments. Its geometry is optimized for efficient chip evacuation and stable performance in:
- General Purpose Materials
- Medium to Low Hardness Steels (e.g., S50C, SKD61 pre-hardened)
- Non-Ferrous Metals (e.g., Aluminum, Copper, Brass)
Detailed Specifications
Please refer to the table below for available dimensions. As a manufacturer, we can also provide custom OEM/ODM solutions to meet your specific requirements.
| Model | Diameter (mm) | Flute Length (mm) | Shank Diameter (mm) | Flutes | Overall Length (mm) |
|---|---|---|---|---|---|
| 0304075 | 3 | 8 | 3 | 4 | 75 |
| 0404075 | 4 | 11 | 4 | 4 | 75 |
| 0404100 | 4 | 11 | 4 | 4 | 100 |
| 0504075 | 5 | 13 | 6 | 4 | 75 |
| 0504100 | 5 | 13 | 6 | 4 | 100 |
| 0604075 | 6 | 16 | 6 | 4 | 75 |
| 0604100 | 6 | 16 | 6 | 4 | 100 |
| 0804075 | 8 | 20 | 8 | 4 | 75 |
| 0804100 | 8 | 20 | 8 | 4 | 100 |
| 1004100 | 10 | 30 | 10 | 4 | 100 |
| 1004150 | 10 | 30 | 10 | 4 | 150 |
| 1204100 | 12 | 32 | 12 | 4 | 100 |
| 1204150 | 12 | 32 | 12 | 4 | 150 |
| 1604150 | 16 | 40 | 16 | 4 | 150 |
| 2004150 | 20 | 45 | 20 | 4 | 150 |
Quality Manufacturing by LV® Tool
With over 29 years of experience, LV INTERNATIONAL CO., LTD. is a premier manufacturer of precision tungsten carbide cutting tools. Our commitment to quality is demonstrated through our ISO 9001:2015 certified processes and our use of world-class CNC grinding equipment from Makino and Walter. We source only premium carbide rods from Japan and Germany to ensure every end mill, including the 664L-4BLW series, delivers the reliability and performance our global customers in over 40 countries have come to expect.
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664L-4BLW Series 4-Flute Long Shank Carbide End Mill for General Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 664L-4BLW Series 4-Flute Long Shank Carbide End Mill for General 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.


