The RU Series extra heavy-duty unit lock gives the ideal solution for preserving old doors with worn out and unusable cylindrical lock preparation. The RU Series provides standard lever and finish styles with Grade 1 strength and security. It installs with minimal rework to existing doors, preserving the door and frame for cost-effective renovation project planning.
Ideal for retrofitting old doors, the RU Series is UL listed, meets ADA standards and meets or exceeds ANSI/BHMA A156.2 Series 4000 Grade 1 for durability. Customers can easily keep the same key system with interchangeable cores that are compatible with cores built by other manufacturers. The RU Series also provides quick and convenient re-keying.