Dormakaba 917000004 91704 Thumbturn Auxiliary Lock with Deadlocking Latch, Satin Brass Finish

Simplex Dormakaba 917000004 91704 Auxiliary Lock with Thumbturn Deadlocking Spring Latch offers an advanced solution for secure access control in commercial settings. Designed for doors ranging from 1-3/4" to 2-1/4" thick, this mechanical pushbutton lock eliminates the hassle of managing keys and cards, making it an ideal choice for busy environments. Constructed from durable cast zinc, it features a satin brass finish that not only enhances its aesthetic appeal but also ensures longevity and resistance to wear. The unique thumbturn mechanism allows for efficient egress from the interior while maintaining security on the exterior. This model automatically relocks each time the door closes, providing peace of mind without the need for manual intervention. With a crossbore size of 1-5/8" and dimensions of 2-9/16" x 3-3/4", the lock is designed for easy installation. It includes a strike plate for out-swinging doors and a cast box strike for in-swinging doors, ensuring versatility in various applications. Backed by a limited one-year warranty, the Simplex Dormakaba 917000004 91704 is a reliable choice for those seeking a mechanical lock that balances security and convenience.

91704 Auxiliary Lock with Thumbturn Deadlocking Spring Latch with Latch Holdback for 1-3/8" to 1-1/2" Door Satin Brass Finish

Simplex mechanical pushbutton locks offer a convenient way to control access between public and private areas. There are no keys or cards to manage, no computers to program, no batteries to replace, and combinations can be changed in seconds without removing the lock from the door.

• Fully Mechanical Lock Eliminates the Material and Labor Expense of Battery Replacements
• Eliminates Problems and Costs Associated with Issuing, Controlling and Collecting Keys and Cards
• Provides Fully Mechanical Access Control at All Times While Allowing Free Egress At All Times By Interior Thumbturn
• Deadbolt Models Must Be Manually Relocked; Spring Latch Models Automatically Relock Each Time Door Closes
• Mechanical Pushbutton Lock