Keylex is a brand of the Nagaswa Co. Ltd. of Japan.  This ISO 9001 & ISO 14001 certified company has been manufacturing door hardware for more than 100 years.

Keylex offers the very best in high security & robust mechanical digital locks.

Keylex has a digital lock for every application.  Their groundbreaking 4000 Prime entry unit is a high quality mortise lock combined with a 15 digit mechanical pushbutton that can be changed by virtue of using the lock reset key.

This unique feature allows Keylex to be reconfigured at a moments notice to take into account changing user populations and security levels.