664LL-4BW Series 4-Flute Long Uncoated End Mills for General Purpose Machining
664LL-4BW
The 664LL-4BW series from LV Tool features high-performance 4-flute long end mills engineered for versatile applications. These uncoated tungsten carbide cutting tools are specifically designed for machining general materials, medium-to-low hardness steels, and non-ferrous metals with exceptional efficiency. Key features include excellent wear resistance for extended tool life, a high-precision diameter tolerance for accurate results, and superior cutting stability that minimizes vibration. Ideal for manufacturers and job shops seeking reliable and cost-effective solutions, the 664LL-4BW series delivers consistent performance in various milling operations.
High-Performance 4-Flute Long End Mill for Versatile Machining
The 664LL-4BW series from LV Tool is a premium line of 4-flute long end mills designed for reliability and precision in a wide range of machining tasks. Manufactured from high-quality tungsten carbide, these uncoated tools provide an excellent balance of performance and cost-effectiveness. Their robust design ensures stability during cutting, making them a preferred choice for general-purpose milling operations.
Key Features & Benefits
- Uncoated Design: Ideal for machining non-ferrous metals like aluminum and copper, preventing material adhesion and ensuring a clean cut.
- Excellent Wear Resistance: Constructed from premium micro-grain carbide for extended tool life and reduced tooling costs.
- High Precision Tolerance: Engineered with a precise diameter tolerance to meet strict dimensional accuracy requirements.
- Superior Cutting Stability: The 4-flute geometry is optimized for smooth operation, minimizing chatter and improving surface finish.
- Versatile Applications: Suitable for slotting, side milling, and profiling on a variety of materials.
Recommended Applications
This series is highly effective for machining the following materials:
- General Steels (up to HRC 45)
- Medium-Low Hardness Steels
- Non-Ferrous Metals (Aluminum, Copper, Brass)
- Cast Iron
As a leading end mill manufacturer, LV Tool provides OEM/ODM services and wholesale opportunities for distributors worldwide. Contact us for custom specifications or bulk inquiries.
Product Specifications
| Model | Diameter (D) | Flute Length (L1) | Shank Dia. (d) | Flutes | Overall Length (L) |
|---|---|---|---|---|---|
| 664LL-0104 | 1.0 | 4 | 4 | 4 | 50 |
| 664LL-0154 | 1.5 | 6 | 4 | 4 | 50 |
| 664LL-0204 | 2.0 | 8 | 4 | 4 | 50 |
| 664LL-0254 | 2.5 | 10 | 4 | 4 | 50 |
| 664LL-0304 | 3.0 | 12 | 6 | 4 | 60 |
| 664LL-0354 | 3.5 | 14 | 6 | 4 | 60 |
| 664LL-0404 | 4.0 | 16 | 6 | 4 | 75 |
| 664LL-0454 | 4.5 | 18 | 6 | 4 | 75 |
| 664LL-0504 | 5.0 | 20 | 6 | 4 | 75 |
| 664LL-0554 | 5.5 | 22 | 6 | 4 | 75 |
| 664LL-0604 | 6.0 | 24 | 6 | 4 | 75 |
| 664LL-0704 | 7.0 | 28 | 8 | 4 | 100 |
| 664LL-0804 | 8.0 | 32 | 8 | 4 | 100 |
| 664LL-0904 | 9.0 | 36 | 10 | 4 | 100 |
| 664LL-1004 | 10.0 | 40 | 10 | 4 | 100 |
| 664LL-1104 | 11.0 | 45 | 12 | 4 | 100 |
| 664LL-1204 | 12.0 | 45 | 12 | 4 | 100 |
| 664LL-1404 | 14.0 | 55 | 16 | 4 | 150 |
| 664LL-1604 | 16.0 | 65 | 16 | 4 | 150 |
| 664LL-2004 | 20.0 | 75 | 20 | 4 | 200 |
All dimensions are in millimeters (mm). Custom sizes are available upon request.
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664LL-4BW Series 4-Flute Long Uncoated End Mills for General Purpose Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 664LL-4BW Series 4-Flute Long Uncoated End Mills for General Purpose 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.


