Koyo produces various grinding machines, assemblies, spindles, precision ball screws, handle and universal joints, and drive shafts for industry. Additionally, Koyo performs applied engineering research and production engineering research.

• Affettare, cubettare & Wafering Grinders
• Grinders Viso
• Rettificatrici Rotary
• Rettificatrici a coordinate / planetarie
• Rettificatrici cilindriche universali
• Rettificatrici per cilindri Compreso Plain & Angle Head
• Rettificatrici per interni
• Rettificatrici senza centri
• Smerigliatrici a disco