3 flûtes
A 3 flute end mill is a versatile cutting tool with three helical grooves designed for efficient chip removal, coolant flow, and structural integrity. It offers a balance between material removal rate and surface finish, making it suitable for a wide range of materials including soft materials like aluminum and copper alloys, as well as harder steels and other metals. Common applications include profiling, slotting, and pocketing.

3 flute end mill Application
- Non-ferrous materials: Aluminum, copper, and brass are commonly machined using 3 flute end mills due to their ability to handle higher feed rates and produce good surface finishes.
- General milling: Profiling, slotting, and pocketing are common operations performed with 3 flute end mills.
- Medium material removal rates: While not as aggressive as 2 flute end mills, they offer a balance between chip removal and surface finish.
- Grooving: The three flutes can effectively handle chip loading in grooving operations.
- Chamfering and deburring: Some 3 flute end mills are designed specifically for these applications.
3 flute end mill Features
- Three helical flutes: These evenly spaced flutes efficiently remove chips, improve coolant flow, and enhance tool strength.
- Balanced chip load: The three flutes distribute cutting forces evenly, reducing vibration and improving tool life.
- Good surface finish: The flute geometry typically produces a smooth finish on the workpiece.
- Versatilité: Suitable for a wide range of materials and machining operations.
- Moderate material removal rate: Provides a balance between aggressive cutting and tool life.
- Available geometries: Various flute lengths, helix angles, and diameters to match specific applications.
- Coating options: Often coated with materials like TiN or TiAlN to improve wear resistance and performance.

Edge passivation
3 flute end mills feature three evenly spaced helical flutes that efficiently evacuate chips, enhancing tool life and surface finish. By distributing cutting forces evenly, they reduce vibration and improve overall performance. The flute geometry of a 3 flute end mill is designed to smooth the cutting edge, increasing the surface quality of the machined part while extending tool life.

Spiral design
A 3 flute end mill boasts sharp cutting edges, facilitating efficient material removal. Its large chip removal grooves effectively evacuate chips, preventing clogging and tool breakage. The non-stick coating minimizes friction and heat generation, enhancing tool life and surface finish. These attributes make it a versatile choice for a wide range of machining applications.

Round handle chamfer
A 3 flute end mill often features a universal chamfer on its shank, facilitating quick and secure tool installation. This design prevents slipping during clamping, ensuring optimal performance and operator safety. The chamfered shank also aids in chip evacuation, reducing the risk of tool breakage.
The ONMY TOOLINGS Difference
What sets our single flute end mill apart? It’s our unique combination of:
Advanced Carbide Formulations
We use proprietary micro-grain carbide blends optimized for strength and wear resistance.
Innovative Geometries
Our patented flute designs maximize chip evacuation and minimize cutting forces.
Cutting-Edge Coatings
We apply nano-layered PVD coatings that enhance heat resistance and reduce friction.
Precision Grinding
Our multi-axis CNC grinders achieve tolerances as tight as ±0.0005 inches.
Certification d'usine
Ces certifications ne sont pas seulement des badges sophistiqués - ils sont votre garantie de qualité cohérente et de haut niveau dans chaque outil que nous produisons. Notre processus de contrôle de la qualité comprend une inspection à 100% des dimensions critiques et des tests de résistance à l'usure avancés pour garantir que chaque outil répond à nos normes rigoureuses.

Notre voyage vers l'excellence
Notre histoire a commencé dans un petit atelier avec un grand rêve: créer les plus beaux usines de bout de nez du monde. Aujourd'hui, nous exploitons une installation à la pointe de 50 000 pieds carrés équipée des dernières technologies de broyage CNC et des systèmes de revêtement avancés. Mais notre vraie force réside dans notre équipe d'ingénieurs passionnés et d'artisans qualifiés qui versent leur expertise dans chaque outil que nous produisons.
Pourquoi se contenter de solutions standard alors que vous pouvez avoir des usines de fin personnalisées adaptées à vos besoins spécifiques? Notre équipe de recherche et développement interne repousse constamment les limites de ce qui est possible dans la technologie d'usinage. Nous collaborons avec les universités de premier plan et les partenaires de l'industrie pour rester à la pointe de la science des matériaux et de la conception d'outils de coupe.
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- Unbeatable Factory-Direct Pricing: Cut out the middleman and save up to 40% compared to retail prices. Our efficient manufacturing process allows us to offer premium quality at competitive rates.
- Lightning-Fast Delivery: With our streamlined production process, we offer industry-leading turnaround times. Get your custom end mills in as little as 7 days! We maintain a large inventory of standard sizes for immediate shipment.
- Personalized Service: Our team of expert engineers is ready to help you find the perfect solution for your unique machining challenges. We offer free consultations to analyze your specific needs and recommend the ideal tool specifications.
Questions fréquemment posées
- For roughing operations in softer materials: A 3 flute end mill might be a good choice.
- For finishing operations or harder materials: A 4 flute end mill is often preferred
Three Flute End Mills feature the same flute spacing as two-flute tools but offer enhanced strength. They are versatile, suitable for both ferrous and non-ferrous materials. Four Flute End Mills provide superior strength, enabling higher feed rates compared to three-flute options. However, their flute spacing is narrower, resulting in smaller chips.
Generally, a 2 flute end mill is preferred for machining aluminum.
- Larger chip load: Two flutes create larger chip spaces, allowing for better chip evacuation, especially important in soft materials like aluminum where chip loads can be high.
- Higher material removal rates: The larger chip load enables faster cutting speeds and higher feed rates.
- Reduced cutting forces: Fewer flutes can lead to reduced cutting forces, which is beneficial for aluminum machining.
While 3 flute end mills can be used for aluminum, they tend to be better suited for harder materials or when a finer finish is required.
While 2 flute end mills are typically preferred for aluminum due to their superior chip removal capabilities, 3 flute end mills offer more versatility and can be a good choice for various applications. Ultimately, the best choice depends on specific machining conditions and desired results.
A 3 flute ball nose end mill is primarily used for contouring, profiling, and finishing operations on curved surfaces. Its rounded tip allows for smooth transitions between different radii, making it ideal for creating complex shapes.
The three flutes contribute to balanced chip load, good surface finish, and overall tool performance. By selecting the appropriate carbide grade and geometry, 3 flute carbide end mills can be optimized for specific machining conditions.
A 3 flute roughing end mill is primarily used for removing large amounts of material quickly and efficiently. While not as aggressive as a 2 flute roughing end mill, it offers a balance between material removal and tool life.
Key applications include:
- Rapid material removal: Clearing away excess material before finishing operations.
- Semi-finishing: Achieving a smoother surface than roughing but before final finishing.
- General milling: Suitable for various roughing tasks in a wide range of materials.