SOLID CARBIDE END MILL HRC65
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SOLID CARBIDE END MILL HRC65

A HRC65 solid carbide end mill is a high-performance cutting tool made from extremely hard solid carbide (Rockwell C hardness of 65) for machining hardened steels and other difficult materials. Its high hardness provides excellent edge retention and wear resistance, making it suitable for high-speed, high-precision milling, while the design (often 4 flutes) helps with efficient chip evacuation and longevity. These mills often feature specialized coatings and flute geometry for even greater performance and durability.

Key characteristics
  • Hardness: HRC65 (Rockwell C scale), indicating it is designed to cut extremely hard materials.
  • Material: Made from solid carbide, a composite material known for its high hardness, wear resistance, and strength.
  • Design: Often features a 4-flute design to enhance rigidity, material removal rates, and chip evacuation.
  • Performance: Suitable for high-speed machining and offers excellent edge retention even under heavy cutting conditions.
  • Applications: Primarily used for machining hardened steels, tool steels, and other tough materials.
  • Coatings: Many are coated with materials like AlTiN or TiSiN to increase hardness, thermal stability, and tool life.
  • Flute geometry: Features smooth and wide flutes to help remove chips more easily, reducing heat buildup and increasing tool life. 
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