R Angle End Mills
The HE660 series is a professional-grade end mill designed for precision machining of deep cavities in molds and high-hardness materials. It features a 6-flute variable helix angle (48°) + long cutting edge design, combined with a high-wear-resistant carbide substrate and AlTiN nano-coating. This effectively suppresses vibration during deep cavity machining, achieving stable machining with high surface finish and high precision, making it an ideal choice for machining mold cavities and deep grooves in high-hardness steel. Its low cutting resistance and excellent wear resistance make it widely used in aerospace, automotive, and mold manufacturing industries. Maintaining stability under high speeds and high loads, avoiding vibration and chipping, and ensuring machining consistency and reliability, it is a good choice for various applications.
| Part number | HE660 |
|---|---|
| Material | Ultrafine Tungsten Carbide Alloy |
| Product Name | 6-Flute Tungsten Carbide End Mill – 48º |
| OEM / ODM | Made to your samples or drawings |
| Specifications | Ø10.0 × 100L × Ø10.0 × 4X |
| Packaging (mm) | 23.5 × 18.5 × 110L |
| Blade Diameter D | Ø10.0mm |
| Blade Length H | 100.0mm |
| Shank diameter d | Ø10.0mm |
| Overall Length L | 100.0mm |
| Coating | AlTiN |
| MOQ | 2 pcs |
| Lead time | 1 week |
| Origin | Shenzhen, China |
Design details engineered for accuracy, tool life and process stability.
Enables smoother progressive cutting, reduces tool impact, and increases chip flute space, improving chip removal efficiency by 30% and preventing chip clogging in deep cavities.
Multiple flutes participate in cutting, increasing feed efficiency by 50% compared to 4-flute tools. The long-flute structure adapts to deep cavity machining requirements, with flute lengths reaching 5-10 times the tool diameter.
Withstands high temperatures up to 1200°C, with a surface hardness of HV3200, maintaining excellent wear resistance even under high-speed cutting, reducing the risk of coating peeling.
The substrate hardness reaches HRC65, combining high hardness with excellent impact resistance, resulting in tool life 2-3 times that of ordinary end mills.
The edge radius is controlled within 0.015mm, balancing edge sharpness and chip resistance, suitable for precision contour machining.
Evenly distributes cutting force, reduces tool runout, and ensures a runout accuracy of ≤0.015mm, guaranteeing high-precision contour machining.
With a friction coefficient of only 0.28, it effectively suppresses built-up edge formation and ensures stable surface quality in deep cavity machining.
Send your workpiece material and cutter dimensions. We supply standard end mills and special milling cutters made to your samples or drawings.