Kyokuto Nitriding Laboratory Co., Ltd. Business Introduction

We also support nitriding treatment for large parts from mass-produced components.

Kyokuto Nitriding Research Institute Co., Ltd. has specialized in "nitriding treatment" for over 50 years, conducting metal surface hardening and heat treatment for machine parts, aircraft components, and more. Leveraging our unique perspective as a precision machinery manufacturer and the know-how cultivated through rigorous manufacturing processes, we are engaged in research and development of technologies and systems that only we can provide. We aim to contribute widely to society as a company that sincerely tackles any challenges in all fields of machine parts, which are becoming increasingly complex and demanding high precision. 【Business Activities】 ○ Gas nitriding treatment (ordinary nitriding, SP treatment, UN treatment) 　SP: SP treatment (special nitriding treatment for stainless steel) 　UN: Ulnite (long-time treatment to thicken the nitrided layer) ○ Gas soft nitriding treatment (nitrogen-based) ○ Stress relief annealing treatment ○ Oxidation-free annealing treatment For more details, please contact us or download our catalog.

Processing ContractSurface treatment contract service