Corner Radius End Mill
Corner radius end mills, also known as bull nose end mills, are engineered to improve tool strength and durability by incorporating a radius at the cutting edge. This design reduces stress concentration and minimizes edge chipping, making them ideal for high-load machining, roughing operations, and semi-finishing applications. They are commonly employed in machining alloy steels, stainless steels, and hardened materials across various sectors, including aerospace, mold making, and heavy machinery.
Key features include enhanced edge strength, improved tool life, and better surface integrity compared to square end mills. Our carbide corner radius end mills are available in multiple radius sizes and flute configurations to optimize cutting performance. They are ideal for applications like high-speed machining (HSM) and high-efficiency machining (HEM).
Our carbide corner radius end mills are available in various radius sizes and flute configurations, with customization options for specific machining needs, including special coatings and dimensions.
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Unit
Hardness
Substrate
Tool Type
Flute
Coating
Cutter Diameter
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Corner Radius,3 Flute,High Feed U-Type End Mill for Aluminum
Non-Ferrous_AUR
Features
- Higher Rigidity, Smoother Cutting: Increased core strength reduces vibration and ensures stable machining with improved dimensional accuracy.
- Superior Surface Finish: Additional cutting edge reduces tool marks, delivering finer surface quality in semi-finishing and finishing operations.
- Balanced Chip Control & Efficiency: Optimized flute design maintains good chip evacuation while enabling higher feed rates than 2-flute tools.
Application
- Ideal for roughing and finishing of aluminum alloys and non-ferrous materials (such as copper and brass).
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Corner Radius,2 Flute,End Mill
600PLUS_P-RTA
Features
- Taper Core Design: Maximized rigidity, and chip removals are greatly improved due to special geometric design and reinforced design in cutting edges against chipping at corners.
- Durable ALTIBN Coating: This advanced coating, made of titanium aluminum boron nitride, offers exceptional stability at high temperatures and surpasses the heat resistance of AlTiN, TiN, or TiCN coatings.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC40~45), stainless steel, and cast iron.
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Corner Radius,4 Flute,End Mill
600PLUS_P-RTA
Features
- Taper Core Design: Maximized rigidity, and chip removals are greatly improved due to special geometric design and reinforced design in cutting edges against chipping at corners.
- Durable ALTIBN Coating: This advanced coating, made of titanium aluminum boron nitride, offers exceptional stability at high temperatures and surpasses the heat resistance of AlTiN, TiN, or TiCN coatings.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC40~45), stainless steel, and cast iron.
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Corner Radius,2 Flute,Long Shank End Mill
600PLUS_P-LRTA
Features
- Taper Core Design: Maximized rigidity, and chip removals are greatly improved due to special geometric design and reinforced design in cutting edges against chipping at corners.
- Durable ALTIBN Coating: This advanced coating, made of titanium aluminum boron nitride, offers exceptional stability at high temperatures and surpasses the heat resistance of AlTiN, TiN, or TiCN coatings.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC40~45), stainless steel, and cast iron.
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Corner Radius,4 Flute,Long Shank End Mill
600PLUS_P-LRTA
Features
- Taper Core Design: Maximized rigidity, and chip removals are greatly improved due to special geometric design and reinforced design in cutting edges against chipping at corners.
- Durable ALTIBN Coating: This advanced coating, made of titanium aluminum boron nitride, offers exceptional stability at high temperatures and surpasses the heat resistance of AlTiN, TiN, or TiCN coatings.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC40~45), stainless steel, and cast iron.
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Corner Radius,2 Flute, Anti-vibration Design End Mill
400PLUS_P-URTA
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,4 Flute Anti-vibration Design End Mill
400PLUS_P-URTA
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,2 Flute,Pencil Neck, Anti-vibration Design End Mill
400PLUS_P-UCRS
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,4 Flute,Pencil Neck, Anti-vibration Design End Mill
400PLUS_P-UCRS
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,4 Flute,Long Neck, Anti-vibration Design End Mill
400PLUS_P-UCR
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,4 Flute,Anti-vibration Design End Mill,Chatter-Free
400PLUS_PVR
Features
- Variable Geometry for Stability: Features unequal flute spacing and irregular helix angles to maximize vibration absorption. It eliminates chatter and burrs, ensuring stable, high-efficiency machining even on difficult materials.
- Precision & Durability: A strengthened edge and specialized flutes optimize chip removal while preventing chipping. With a strict 0 to -0.02mm tolerance and premium coating, it delivers superior wear resistance and consistent accuracy.
Application
- Excel at working carbon steels (~HB225), alloy steels (HB225~325), pre-hardened steels (up to HRC45), hardened Steels (HRC~55), Stainless Steel, Titanium Alloy, Nickel/Inconel Alloy.
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Corner Radius,4 Flute,High Performance End Mill for High Hardness Materials
200PLUS_P-SFURTA
Features
- Superior Anti-Vibration Geometry: Features unequal flute spacing and leads to suppress chatter during milling. The 0~90° negative angle design enables stable finishing on high-hardness and exotic materials, solving common machining challenges.
- Premium Durability & Finish: Utilizes Super Ultra Fine Micro Grain Carbide and P-nACo coating for extended life. Specular surface grinding on the OD (Outside Diameter) and cutting edges minimizes friction, ensuring exceptional surface quality and chip removal.
Application
- Excel at working high-hardened Steels (~HRC68).
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Corner Radius,2 Flute,Long Neck & Shank High Performance End Mill for High Hardness Materials
200PLUS_P-SFUCRM
Features
- Superior Anti-Vibration Geometry: Features unequal flute spacing and leads to suppress chatter during milling. The 0~90° negative angle design enables stable finishing on high-hardness and exotic materials, solving common machining challenges.
- Premium Durability & Finish: Utilizes Super Ultra Fine Micro Grain Carbide and P-nACo coating for extended life. Specular surface grinding on the OD (Outside Diameter) and cutting edges minimizes friction, ensuring exceptional surface quality and chip removal.
Application
- Excel at working high-hardened Steels (~HRC68).
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Corner Radius,4 Flute,Long Neck & Shank High Performance End Mill for High Hardness Materials
200PLUS_P-SFUCRM
Features
- Superior Anti-Vibration Geometry: Features unequal flute spacing and leads to suppress chatter during milling. The 0~90° negative angle design enables stable finishing on high-hardness and exotic materials, solving common machining challenges.
- Premium Durability & Finish: Utilizes Super Ultra Fine Micro Grain Carbide and P-nACo coating for extended life. Specular surface grinding on the OD (Outside Diameter) and cutting edges minimizes friction, ensuring exceptional surface quality and chip removal.
Application
- Excel at working high-hardened Steels (~HRC68).
Read More
Corner Radius,2 Flute,Pencil Neck High Performance End Mill for High Hardness Materials
200PLUS_P-SFUCRS
Features
- Superior Anti-Vibration Geometry: Features unequal flute spacing and leads to suppress chatter during milling. The 0~90° negative angle design enables stable finishing on high-hardness and exotic materials, solving common machining challenges.
- Premium Durability & Finish: Utilizes Super Ultra Fine Micro Grain Carbide and P-nACo coating for extended life. Specular surface grinding on the OD (Outside Diameter) and cutting edges minimizes friction, ensuring exceptional surface quality and chip removal.
Application
- Excel at working high-hardened Steels (~HRC68).