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EN Home > Products > Solid Carbide Endmills > Inner R End Mill for Accurate Internal Radius Cutting and Shaping
Designed for machining internal rounded corners and contours, the unique design of the cutter allows precise rounded shapes to be machined inside the workpiece and is suitable for machining rounded features on various materials.
Main Features
Internal corner cutting: The end of the tool is designed with specific rounded corners, suitable for machining internal edges and corners.
High-precision machining: Provide precise cutting capabilities to ensure accurate rounded corners and contours.
Multiple diameters and depths of cut: Different diameters and depths of cut are available to meet different machining needs.
Wear-resistant and durable: The manufacturing material is made of HSS or cemented carbide, which provides good wear-resistance and long life.
Basic Information
| Material | Cemented carbide |
| No. of Flutes | 4 |
| Hardness | HRC55 |
| Coating | TiAlN/Al |
| Endteeth Shape | Corner radius |
| Helix Angle | 35° |
Each product is available as a standard product or as a personalized solution. For more detailed product information or customization, please contact our customer service team.
Inner corner radius end mills are widely used in the following fields:
Mold manufacturing: Precision machining of molds, especially parts requiring internal rounded corners
Machining: Internal contouring of various mechanical components
Aerospace: Inner fillet machining of aero-engine and aerospace structural parts.