Six-flute carbide end mills
The HE618 is a professional-grade end mill designed for precision machining applications. It features a 6-flute variable helix angle design with an optimized 48° large helix angle, combined with a high-wear-resistant carbide substrate and nano-coating, enabling smooth machining and making it suitable for high-speed milling. The six-flute design effectively reduces machining vibration, making it particularly suitable for high-precision and high-surface-quality machining applications. Carbide end mills, with their high efficiency, high precision, long lifespan, and stability, are especially suitable for applications requiring high productivity and high machining quality. Center cutting and its multi-flute design offer significant advantages in complex machining and mass production, achieving low-vibration, high-surface-finish, and efficient cutting. It is an ideal choice for mold finishing, precision part contour milling, and thin-walled part machining.
| Part number | HE618 |
|---|---|
| Material | Ultrafine particle tungsten carbide alloy |
| Product Name | Six-blade tungsten carbide end mill-48º |
| OEM / ODM | Made to your samples or drawings |
| Specifications | Ø8.0 × 20L × Ø8.0 × 6X |
| Packaging (mm) | 20.5 × 15.5 × 79L |
| Blade Diameter D | Ø8.0mm |
| Blade Length H | 20.0mm |
| Shank diameter d | Ø8.0mm |
| Overall Length L | 60.0mm |
| Coating | Aplus |
| MOQ | 2 pcs |
| Lead time | 1 week |
| Origin | Shenzhen, China |
Design details engineered for accuracy, tool life and process stability.
Adjacent cutting edges use different helix angles, breaking the periodicity of cutting vibration, significantly reducing machining noise and chatter marks, and improving surface finish to below Ra0.4μm.
Enables smoother progressive cutting, reduces tool impact, and increases chip flute space, improving chip removal efficiency by 25%, suitable for high-speed finishing.
Withstands high temperatures up to 1300°C, with a surface hardness of HV3400, maintaining excellent wear resistance even under high-speed cutting, reducing the risk of coating peeling.
The cutting edge radius is controlled within 0.015mm, balancing edge sharpness and chipping resistance, suitable for machining thin-walled parts and other easily vibrating workpieces.
The core diameter is 12% larger than that of ordinary end mills, improving tool rigidity and maintaining machining stability even at high feed rates.
More cutting edges participate in machining, increasing feed efficiency by 50% compared to 4-flute tools and achieving a finer machined surface.
Grinding is performed using a German Walter 5-axis grinder, resulting in smooth and stable cutting with uniform edge wear, reducing the possibility of chipping during machining. Suitable for applications requiring high productivity and high machining quality.
Send your workpiece material and cutter dimensions. We supply standard end mills and special milling cutters made to your samples or drawings.