Performance - H End Mills

The Performance-H end mill series of 4 and 5 flute end mills are designed for hardened steels, 40-54Rc. Low rake and eccentric relief provide rigidity while minimizing friction in the cut. A cost-effective solution to milling tough materials like hardened 4140, S7 and P20 materials.

  • Designed for conventional or high speed machining in hardened steels
  • 4-flute and 5-flute series available in this family of products
  • Custom options include additional lengths, corner radius configurations and additional flutes

Work Materials

  • P1: Steel (1018, 1050)
  • P2: Steel (4140, 8620)
  • S1: High Temp (Inconel, Ni-based)
  • H1: Hardened Steel (44-53 HRC)
  • H2: Hardened Steel (54-60 HRC)

Product Lineup