Corner Radius End Mills
Your Professional Corner Radius End Mills Supplier
Kunshan Meiyaxing Hardware Machinery Co., Ltd. is a company specializing in the production and sales of metal cutting tools. With more than 20 years of experience, we set new technology, high-end machinery and tool manufacturers as one, to provide customers with quality tools, is a direct branch of Hong Kong Meiya International Trading company. Since the establishment of the company - always uphold the "quality", "professional" and "efficient" business philosophy. Founded the MANF brand, and with Japan Kyocera, Sumitomo, Mitsubishi, Taiwan ECHAIN, Germany C.P.T and other international brands trade cooperation.
Why Choose Us
Reliable Product Quality
We are proud of our high quality, cost-effective and good service, and have won the praise of customers in various industries such as aviation, medical equipment, automobile manufacturing, mold processing and electronic technology.
Good Service
High-quality after-sales service, tracking usage, and positive feedback. Rapid response within 24 hours.
Product Application
Our widely used in aviation, medical equipment, automobile manufacturing, mold processing and electronic technology and many other industries.
Technical Team
We not only provide high quality and efficient cutting tools, but also have a superb technical team to provide professional and detailed processing solutions.
Advantages of Corner Radius End Mills
One of the main advantages of corner radius end mills is their edge radius design. This structure allows the cutting force to be more evenly distributed to the cutting edge during the machining process, reducing stress concentration and avoiding excessive wear at sharp corners.
Because the corner radius end mill adopts a smooth transition design, it can significantly reduce the impact force when the tool contacts the workpiece. This design effectively avoids unnecessary chipping or roughness on the surface of the workpiece.
Corner radius end mills perform particularly well in semi-finishing and finishing operations. Compared with square end mills, corner radius end mills can better handle the processing of some edge details, especially in situations where precise control of processing accuracy is required, such as mold manufacturing, parts processing, etc., corner radius end mills can bring more stable cutting results.
During the machining process of square end mills, it is easy to cause chipping problems on the edges of the workpiece. Corner radius end mills effectively avoid this problem through their smooth transition edges, which is particularly important when processing harder or brittle materials.
Corner radius end mills can process both flat surfaces and slightly curved surfaces. In some situations where fillet transition areas need to be processed, such as grooves and chamfers of molds, the corner radius end mill can be formed in one go, reducing the number of tool changes and improving processing efficiency.
Types of Corner Radius End Mills

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Single-End Corner Radius End Mills
This type has a single cutting end and a curved corner radius. It is suitable for milling complex shapes and profiles in softer materials, such as aluminum and plastics.
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Double-End Corner Radius End Mills
This type has cutting edges on both ends, each with a corner radius. It is ideal for general-purpose milling applications in a wide range of materials.
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Variable Helix Corner Radius End Mills
This type has a varying helix angle that helps to reduce chatter and vibration during the machining process. It is suitable for high-speed milling of harder materials, such as stainless steel and titanium.
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Ball Nose Corner Radius End Mills
This type has a rounded nose and a curved corner radius that allow for smooth and accurate machining of complex shapes and contours. It is ideal for 3D machining and finishing operations.
Product Paramenters
| Brand name | MANF |
| Hardness | HRC50° |
| Helix Angle | 35° |
| Coating or not | ALTinBlade |
| Type | Corner Radius End Mills |
| Flute | 4 Flute |
| Semi-diameter | 1mm-12mm |
| Total length | 50-75mm |
| Applicable machine tools | CNC machining center, engraving machine, high-speed machine, etc. |
| Materials used | Mould steel, tool steel, l, carbon steel, Thermal treatment quenching, etc |
How To Choose The Right Corner Radius End Mills For Your Specific Needs
Determine the Material
The first step is to identify the material you will be machining, such as aluminum, steel, or plastics. The material's hardness, toughness, and other properties will affect the choice of tool material and geometry.
Consider the Finish and Accuracy
Determine the required finish and accuracy of the machined part. If a smoother finish is desired, choose a tool with a larger corner radius. If greater accuracy is needed, select a tool with a smaller radius.
Select the Tool Geometry
Consider the tool's geometry, including the helix angle, flute count, and length of cut. A tool with a variable helix angle can reduce chatter and vibration, while a higher flute count can improve chip evacuation. The length of cut determines how deep the tool can cut into the material.
Determine the Tool Size
Select the appropriate size of tool for the job. A larger tool can remove material faster, but may not be suitable for smaller, more intricate parts. A smaller tool can provide greater accuracy but may require more time to complete the job.
Choose the Tool Material
Select a tool material that is suitable for the material being machined and can withstand the speed and feed rates required for the job. Common materials include high-speed steel, carbide, and cobalt.
Consider Coatings
Coatings can improve the tool's performance and longevity by reducing friction, wear, and heat buildup. Consider selecting a tool with a coating that is compatible with the material being machined and the cutting conditions.
Application of Corner Radius End Mills
Mold And Die Making
Mold and die making is one of the most common applications for corner - radius carbide end mills. In this industry, precision is of the utmost importance. The rounded corners of these end mills help to create smooth, seamless transitions between different surfaces of a mold or die.
Aerospace Industry
The aerospace industry demands the highest levels of quality and precision in manufacturing. Corner - radius carbide end mills play a vital role in machining components for aircraft and spacecraft.
Automotive Manufacturing
In the automotive industry, corner - radius carbide end mills are used for a variety of machining tasks. They are commonly employed in the production of engine components, transmission parts, and other critical automotive parts.
Medical Device Manufacturing
Medical device manufacturing requires extreme precision and high - quality machining. Corner - radius carbide end mills are ideal for this industry because they can produce parts with smooth surfaces and precise dimensions.
General Machining And Prototyping
In general machining shops, corner - radius carbide end mills are a staple tool. They can be used for a wide range of materials, from soft plastics to hard metals. Whether it's creating a simple bracket or a complex prototype, these end mills offer flexibility and efficiency.
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