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.

• Cortar, cortar e wafering Grinders
• Disco Grinders
• Esmerilhadeiras Rotary
• Grinders centerless
• Grinders internos
• Grinders rosto
• Planetary Grinders
• Retificadoras cilíndricas incluindo simples e ângulo da cabeça
• Retificadoras cilíndricas universais