Corner Radius End Mill
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Corner Radius End Mill
Recommended Corner‑Radius End Mills 4‑Flute,
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30° helix,
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Perfect for light roughing/finishing with strengthened edges for improved lifespan.
3. Carbide Corner Radius
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Stub-length (1″ flute), corner radius adds durability—ideal for robust pocket finishing India‑Available CARBITEC Series
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Ø 6 mm , 4‑Flute, 55HRC,
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Technical Insights
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Coatings & Materials: Options span uncoated, TiAlN — suitable for a wide range of steels, cast iron, stainless, and non-ferrous materials
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Helix & Flute Design: 30° helix provides balanced performance. Variable index and unequal-pitch designs minimize chatter and improve finish
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Corner Radius Benefit: Rounded corners significantly strengthen the cutting edge and extend tool life—effective starting radius ~0.005" for small cutters
Choosing the Right Tool
| Diameter | Corner Radius | Coating | Best For |
|---|---|---|---|
| 6 mm | ~0.5 – 1 mm equivalent | TiAlN | Pocket finishing, general milling in steel/non-ferrous |
Best Practices
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Depth vs. Radius: Ensure both axial and radial depths ≥ corner radius to avoid rubbing and premature wear
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Coolant Strategy: Always use flood or mist—coatings hold up with or without coolant, but coolant extends tool life
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Minimize Overhang: Keep tool extensions short to avoid deflection and maximize finish quality.
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Toolpath Setup: Combine roughing passes with smaller-corner cutters followed by finishing passes with larger radius for smooth transitions.
| Size |
6*50 |
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