664L-AW Series 4-Flute Uncoated Tungsten Carbide End Mills for General Machining
664L-AW
The 664L-AW series from LV® Tool is a high-performance line of 4-flute uncoated tungsten carbide end mills, engineered for general-purpose machining applications. Manufactured from premium carbide rods, these tools offer exceptional wear resistance and an extended service life when working with low-to-medium hardness steels and non-ferrous metals. The precision-ground geometry ensures high cutting stability and excellent surface finishes. As a leading cutting tool manufacturer, we provide a comprehensive range of dimensions in the 664L-AW series, making it a versatile and cost-effective solution for workshops and industrial production lines seeking reliable performance. This series is available for wholesale and OEM/ODM partnerships.
High-Performance 4-Flute Uncoated End Mill
The 664L-AW series is a versatile line of 4-flute square end mills from LV® Tool, a leading tungsten carbide cutting tool manufacturer. These tools are engineered without coating, making them an economical and effective choice for a wide range of general machining tasks. Manufactured using premium tungsten carbide rods from Germany and Japan, the 664L-AW series guarantees excellent wear resistance and a prolonged tool lifespan, reducing operational costs and downtime.
With a focus on precision, each end mill in this series features a high-accuracy diameter tolerance, which ensures superior cutting stability and produces a fine surface finish on the workpiece. The robust 4-flute design is optimized for efficient chip evacuation and stable performance during slotting and side milling operations.
Key Features & Benefits
- Uncoated Design: Provides a sharp cutting edge, ideal for non-ferrous materials and applications where coating is not required.
- Superior Wear Resistance: Made from high-quality micro-grain tungsten carbide for extended tool life and consistent performance.
- High Precision: Strict diameter tolerances ensure excellent cutting stability and dimensional accuracy.
- Versatile 4-Flute Geometry: Suitable for both roughing and finishing operations, offering a balance between strength and chip removal.
Recommended Applications
The 664L-AW series is highly effective for machining a variety of materials, including:
- General-purpose steels (low to medium hardness)
- Carbon Steel
- Alloy Steel
- Non-ferrous metals such as Aluminum and Copper alloys
Detailed Specifications
As a trusted end mill supplier, LV® Tool offers the 664L-AW series in a comprehensive range of sizes to meet diverse manufacturing needs. We support both standard orders and custom OEM/ODM requests. Please refer to the table below for detailed dimensions.
| Model | Diameter (d1, mm) | Flute Length (L1, mm) | Shank Diameter (d2, mm) | Flutes | Overall Length (L2, mm) |
|---|---|---|---|---|---|
| 030403 | 3.0 | 8 | 3 | 4 | 50 |
| 010404 | 1.0 | 3 | 4 | 4 | 50 |
| 015404 | 1.5 | 4 | 4 | 4 | 50 |
| 020404 | 2.0 | 6 | 4 | 4 | 50 |
| 025404 | 2.5 | 8 | 4 | 4 | 50 |
| 030404 | 3.0 | 8 | 4 | 4 | 50 |
| 035404 | 3.5 | 10 | 4 | 4 | 50 |
| 040404 | 4.0 | 11 | 4 | 4 | 50 |
| 010406 | 1.0 | 3 | 6 | 4 | 50 |
| 015406 | 1.5 | 4 | 6 | 4 | 50 |
| 020406 | 2.0 | 6 | 6 | 4 | 50 |
| 025406 | 2.5 | 8 | 6 | 4 | 50 |
| 030406 | 3.0 | 8 | 6 | 4 | 50 |
| 035406 | 3.5 | 10 | 6 | 4 | 50 |
| 040406 | 4.0 | 11 | 6 | 4 | 50 |
| 045406 | 4.5 | 13 | 6 | 4 | 50 |
| 050406 | 5.0 | 13 | 6 | 4 | 50 |
| 055406 | 5.5 | 13 | 6 | 4 | 50 |
| 060406 | 6.0 | 16 | 6 | 4 | 50 |
| 065408 | 6.5 | 16 | 8 | 4 | 60 |
| 070408 | 7.0 | 16 | 8 | 4 | 60 |
| 075408 | 7.5 | 19 | 8 | 4 | 60 |
| 080408 | 8.0 | 20 | 8 | 4 | 60 |
| 085410 | 8.5 | 20 | 10 | 4 | 75 |
| 090410 | 9.0 | 20 | 10 | 4 | 75 |
| 095410 | 9.5 | 25 | 10 | 4 | 75 |
| 100410 | 10.0 | 25 | 12 | 4 | 75 |
| 105412 | 10.5 | 25 | 12 | 4 | 75 |
| 110412 | 11.0 | 30 | 12 | 4 | 75 |
| 115412 | 11.5 | 30 | 12 | 4 | 75 |
| 120412 | 12.0 | 32 | 12 | 4 | 75 |
| 140416 | 14.0 | 40 | 16 | 4 | 100 |
| 160416 | 16.0 | 40 | 16 | 4 | 100 |
| 180420 | 18.0 | 45 | 20 | 4 | 100 |
| 200420 | 20.0 | 45 | 20 | 4 | 100 |
664L-AW Series 4-Flute Uncoated Tungsten Carbide End Mills for General Machining Professional Precision Carbide End Mills and Cutting Tools Manufacturing
LV Tool provides 664L-AW Series 4-Flute Uncoated Tungsten Carbide End Mills 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.

