Description
The Schlage L9440 03B 643E is an extra heavy-duty mortise lock built for high-traffic commercial environments including schools, hospitals, and factories. Its ANSI Grade 1-rated construction withstands constant use and abuse, featuring a heavy-gauge steel case, zinc dichromate-plated working parts, and anti-friction components that reduce wear while maintaining dependable operation.
This universal lock case accommodates ten functions in one design, with field-reversible handing and adaptability to beveled door edges. Compatible with standard mortise lock preparations, installation requires proper door preparation and handing selection. As an authorized Schlage dealer, E.D. Locks provides expert guidance on specification, keying, and configuration. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for assistance with your project requirements.