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Four Flutes Ball Nose End Mills
Our company offers high-performance four-flute ball nose end mills designed for precision contouring and finishing operations. Made from high-quality tungsten steel with a fine-grain carbide structure, these tools provide excellent rigidity, sharpness, and resistance to chipping and wear, ensuring stable cutting performance even under demanding conditions. The advanced precision grinding process guarantees tight dimensional tolerances and a polished cutting edge, contributing to superior surface accuracy and reduced friction during machining.
Coated with high-efficiency wear-resistant materials such as AlTiN, TiSiN, or DLC (Diamond-Like Carbon) using advanced PVD (Physical Vapor Deposition) technology, these end mills offer enhanced thermal stability, oxidation resistance, and anti-adhesion properties. This significantly extends tool life and maintains cutting efficiency when working with sticky or abrasive materials.
The four-flute design increases the number of cutting edges in contact with the workpiece, allowing for higher feed rates and improved material removal efficiency without sacrificing surface quality. It also enhances tool rigidity and reduces vibration, resulting in smoother cuts, better edge finish, and longer spindle life—especially critical in high-speed and 5-axis machining applications.
Engineered for versatility, these ball nose end mills are ideal for complex 3D contouring, cavity machining, mold & die finishing, impeller milling, and aerospace component production. They perform exceptionally well on a wide range of materials, including carbon steel, alloy steel, stainless steel, cast iron, aluminum alloys, titanium, and heat-resistant superalloys.
Available in a comprehensive range of diameters, lengths, and shank sizes, our four-flute ball nose end mills are compatible with CNC machining centers, vertical mills, and high-precision multi-axis systems. Each tool undergoes strict quality control and dynamic balancing tests to ensure concentricity and consistent performance.
Whether used for semi-finishing or final finishing passes, these high-performance end mills deliver reliable, high-quality results—making them the preferred choice for manufacturers and mold makers who demand precision, durability, and outstanding surface finishes in every application.
Show Details
Specitications
| SIZES(D*fL*sD*L) | |
| R1.5*6*D4*50L*4F | |
| R2*8*D4*50L*4F | |
| R3*12*D6*50L*4F | |
| R4*16*D8*60L*4F | |
| R5*20*D10*75L*4F | |
| R6*24*D12*75L*4F | |
| R8*32*D16*100L*4F |
Clients Good Feedback
Factory
Service Introduction
Logistics Package
FAQ
Q1: What is a four-flute ball nose end mill used for?
A1: A four-flute ball nose end mill is designed for high-efficiency precision machining of 3D contours, curved surfaces, and complex geometries. The ball-shaped cutting tip allows for smooth profiling in molds, dies, aerospace components, and automotive parts, while the four-flute design enhances surface finish and material removal rates—making it ideal for both semi-finishing and finishing operations.
Q2: Why choose a four-flute design over a two- or three-flute end mill?
A2: The four-flute design offers greater cutting edge engagement, improved tool rigidity, and reduced vibration, resulting in a smoother surface finish and higher feed rates. While two-flute end mills are typically better for chip evacuation in deep roughing, the four-flute version excels in finishing and light-to-medium cutting where surface quality and dimensional accuracy are critical.
Q3: What materials are these end mills suitable for?
A3: Our four-flute ball nose end mills are engineered for a wide range of materials, including carbon steel, alloy steel, stainless steel, cast iron, aluminum alloys, titanium, and heat-resistant superalloys (such as Inconel and Hastelloy). The combination of premium tungsten carbide substrate and advanced coatings ensures reliable performance across both ferrous and non-ferrous metals.
Q4: What coating options are available, and how do they improve tool life?
A4: We offer high-performance coatings such as AlTiN (Aluminum Titanium Nitride), TiSiN (Titanium Silicon Nitride), and DLC (Diamond-Like Carbon). These coatings increase surface hardness, reduce friction, resist high-temperature oxidation, and prevent built-up edge—especially when machining sticky materials like aluminum or high-hardness steels. This leads to significantly longer tool life and consistent cutting performance.
Q5: Are these end mills suitable for high-speed and 5-axis machining?
A5: Yes, our four-flute ball nose end mills are precision-balanced and manufactured to tight tolerances, making them fully compatible with high-speed machining (HSM) and 5-axis CNC systems. Their optimized flute geometry and rigid structure support continuous cutting engagement and smooth toolpath motion, delivering excellent results in dynamic milling and complex surface machining.
Q6: Can these ball nose end mills be used for both roughing and finishing?
A6: Absolutely. While they are primarily optimized for semi-finishing and finishing, these end mills can also handle light to moderate roughing operations thanks to their robust construction and chip-splitting flute design. When used with proper cutting parameters, they deliver efficient material removal while maintaining excellent surface quality—reducing the need for secondary polishing.
Four Flutes Ball Nose End Mills
Our company offers high-performance four-flute ball nose end mills designed for precision contouring and finishing operations. Made from high-quality tungsten steel with a fine-grain carbide structure, these tools provide excellent rigidity, sharpness, and resistance to chipping and wear, ensuring stable cutting performance even under demanding conditions. The advanced precision grinding process guarantees tight dimensional tolerances and a polished cutting edge, contributing to superior surface accuracy and reduced friction during machining.
Coated with high-efficiency wear-resistant materials such as AlTiN, TiSiN, or DLC (Diamond-Like Carbon) using advanced PVD (Physical Vapor Deposition) technology, these end mills offer enhanced thermal stability, oxidation resistance, and anti-adhesion properties. This significantly extends tool life and maintains cutting efficiency when working with sticky or abrasive materials.
The four-flute design increases the number of cutting edges in contact with the workpiece, allowing for higher feed rates and improved material removal efficiency without sacrificing surface quality. It also enhances tool rigidity and reduces vibration, resulting in smoother cuts, better edge finish, and longer spindle life—especially critical in high-speed and 5-axis machining applications.
Engineered for versatility, these ball nose end mills are ideal for complex 3D contouring, cavity machining, mold & die finishing, impeller milling, and aerospace component production. They perform exceptionally well on a wide range of materials, including carbon steel, alloy steel, stainless steel, cast iron, aluminum alloys, titanium, and heat-resistant superalloys.
Available in a comprehensive range of diameters, lengths, and shank sizes, our four-flute ball nose end mills are compatible with CNC machining centers, vertical mills, and high-precision multi-axis systems. Each tool undergoes strict quality control and dynamic balancing tests to ensure concentricity and consistent performance.
Whether used for semi-finishing or final finishing passes, these high-performance end mills deliver reliable, high-quality results—making them the preferred choice for manufacturers and mold makers who demand precision, durability, and outstanding surface finishes in every application.
Show Details
Specitications
| SIZES(D*fL*sD*L) | |
| R1.5*6*D4*50L*4F | |
| R2*8*D4*50L*4F | |
| R3*12*D6*50L*4F | |
| R4*16*D8*60L*4F | |
| R5*20*D10*75L*4F | |
| R6*24*D12*75L*4F | |
| R8*32*D16*100L*4F |
Clients Good Feedback
Factory
Service Introduction
Logistics Package
FAQ
Q1: What is a four-flute ball nose end mill used for?
A1: A four-flute ball nose end mill is designed for high-efficiency precision machining of 3D contours, curved surfaces, and complex geometries. The ball-shaped cutting tip allows for smooth profiling in molds, dies, aerospace components, and automotive parts, while the four-flute design enhances surface finish and material removal rates—making it ideal for both semi-finishing and finishing operations.
Q2: Why choose a four-flute design over a two- or three-flute end mill?
A2: The four-flute design offers greater cutting edge engagement, improved tool rigidity, and reduced vibration, resulting in a smoother surface finish and higher feed rates. While two-flute end mills are typically better for chip evacuation in deep roughing, the four-flute version excels in finishing and light-to-medium cutting where surface quality and dimensional accuracy are critical.
Q3: What materials are these end mills suitable for?
A3: Our four-flute ball nose end mills are engineered for a wide range of materials, including carbon steel, alloy steel, stainless steel, cast iron, aluminum alloys, titanium, and heat-resistant superalloys (such as Inconel and Hastelloy). The combination of premium tungsten carbide substrate and advanced coatings ensures reliable performance across both ferrous and non-ferrous metals.
Q4: What coating options are available, and how do they improve tool life?
A4: We offer high-performance coatings such as AlTiN (Aluminum Titanium Nitride), TiSiN (Titanium Silicon Nitride), and DLC (Diamond-Like Carbon). These coatings increase surface hardness, reduce friction, resist high-temperature oxidation, and prevent built-up edge—especially when machining sticky materials like aluminum or high-hardness steels. This leads to significantly longer tool life and consistent cutting performance.
Q5: Are these end mills suitable for high-speed and 5-axis machining?
A5: Yes, our four-flute ball nose end mills are precision-balanced and manufactured to tight tolerances, making them fully compatible with high-speed machining (HSM) and 5-axis CNC systems. Their optimized flute geometry and rigid structure support continuous cutting engagement and smooth toolpath motion, delivering excellent results in dynamic milling and complex surface machining.
Q6: Can these ball nose end mills be used for both roughing and finishing?
A6: Absolutely. While they are primarily optimized for semi-finishing and finishing, these end mills can also handle light to moderate roughing operations thanks to their robust construction and chip-splitting flute design. When used with proper cutting parameters, they deliver efficient material removal while maintaining excellent surface quality—reducing the need for secondary polishing.
