Description
The Schlage L9440 06B 643E is an extra heavy-duty mortise lock engineered for high-traffic commercial environments including schools, hospitals, and factories. Built to ANSI Grade 1 standards, it resists daily wear and abuse with heavy-gauge steel construction, zinc dichromate-plated components, and anti-friction design. Ideal for facilities demanding durability without compromising security.
This universal lock case supports ten functions in one, with field-reversible handing and adaptability to beveled doors. Installation is straightforward with floating mounting tabs and external spring cages for easy trim retrofit. Contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067 for expert keying, compatibility, and application guidance to ensure the right configuration for your door and security needs.
