4JER – super alloys

4JER solid end mill for super alloy machining, such as Inconel®, with high productivity and stability.



  • High efficiency
  • Long tool life
  • High stability
  • Excellent chip control



  • Improved chatter resistance
  • Kyocera´s original MEGACOAT HARD coating technology ensures long tool life and stable machining
  • Variable helix design
  • High sharpness with a large rake angle
  • Unique four flutes design
  • Diameter ranges from 6 mm – 20 mm



  • Shouldering
  • Slotting
  • Trochoidal machining