katko

Katko is a term with multiple uses, including a Finnish brand of security hardware and a Finnish word meaning interruption.

Katko refers to a Finnish company that designs and manufactures locking solutions and related hardware. Katko Oy produces mechanical and electronic locking systems, including mortise and cylindrical locks, lock cylinders, door handles, and associated architectural hardware. Its products are distributed through security installers and distributors across Europe and beyond and are used in residential, commercial, and institutional applications. The company emphasizes robust construction and adherence to European standards for locking products and door hardware.

In Finnish, katko means interruption, break, or outage. The word is used in everyday language to describe disruptions in service or power, such as a power outage or a temporary interruption of activity.

Katko is also used as a surname in Finland and other countries. As a surname, it appears in various public records and may be carried by individuals in diverse professions.