"CUPLA" Quick Connect Couplings Nitto Kohki's unique technologies and dedicated research have been proven by numerous patents, which led to the development of 25,000 different Cupla variations.





Quality control system that earns the constant trust from users.

Cuplas are delivered to the user only after passing the most stringent quality control procedures, including careful selection of materials, unending pursuit of process accuracy and rigorous durability tests. Long years of devotion to thorough quality control are paying dividends in user's confidence today but still we persist in challenging even higher quality levels.