Hole finishing in automotive engine blocks

Application of the Hanna HR® system in the automotive engine blocks sector: typical materials, Ø ranges and recommended families.

Typical materials

FC25, FC30, AlSi9Cu3.

Recommended Hanna HR® families

HR4–HR6 with CBN (FC) or PCD (Al) insert.

Measurable benefit

  • +10% productivity vs equivalent leading systems
  • −30% cost per hole
  • +90% ESG improvement (carbide consumption)

See anchor case and savings calculator.